Best 26 PC optimization software - Dec, 2020

Computers, especially those running on Windows, can easily become corrupt and slow over time. Resulting in unpredictable behavior, sluggishness, incorrect files and software, etc., it gets simply annoying at some point. PC optimization software is there to help carry out usual tasks again and to clean up. PC optimization utilities perform deep scans, find and fix problematic areas. Repair functions may include hard drive defragmentation, registry repairs, RAM and disk space freeing, junk file removal, etc. Some are basic, others are more advanced, while all of them have ‘repair all/fix all’ option. We tested every utility in the same repetitive manner on a 8GB RAM PC on Windows 7 Professional. 9 out of 10 PC optimization apps have a free version or a trial period along with paid annual license to use, while one app is totally free. Whichever way, they’ll help you optimize your slow PCs for faster response, quick task handling and better overall performance.

Best 26 PC optimization software - Dec, 2020

  • Restoro logo

    Restoro

    • Registry optimization
    • Junk cleaning
    • Repair damage
    Visit Website
  • Auslogics BoostSpeed logo

    Auslogics BoostSpeed

    • System monitoring
    • Privacy protection
    • File cleaning
    Visit Website
  • Wise Care 365 logo

    Wise Care 365

    • Registry cleaner
    • File shredder
    • Uninstaller
    Visit Website
  • Auslogics BoostSpeed image

    Pricing

    • Free Free
    • $50.96 Pro

    Available on

    Key features

    • Privacy protection
    • System monitoring
    • Files cleaning

    Key features

    • Privacy protection
    • System monitoring
    • Files cleaning

    A powerful tool to optimize your system from Auslogics. All unnecessary files found are conveniently sorted by subcategories before cleaning. The program has a built-in backup tool that allows you to undo unwanted changes in the system. All tools are divided into three categories: Privacy Tools, Security Tools, Productivity Tools. For Windows 10 users is available the exclusive Win 10 Tweaker feature  for OS settings control.

    Auslogics BoostSpeed Pros

    • Win 10 Tweaker
    • Scheduler
    • File Recovery

    Auslogics BoostSpeed Cons

    • Many steps to find specific tool in menu
    • No free version
    • Separate window for every monitoring task
  • IObit Advanced SystemCare image

    Pricing

    • Free Free
    • $21.98 Pro

    Available on

    Key features

    • 1-click optimization
    • Duplicate finder
    • Registry defragmenter

    Key features

    • 1-click optimization
    • Duplicate finder
    • Registry defragmenter

    A tune-up tool by IObit, with features like security diagnosing, protection against browser malware, disk cleaner, CPU and RAM performance monitoring. For experienced users, there are tools for  system tune-up by optimizing unnecessary services, speeding up hard drives, and file management utilities. Take your PC performance under control with system state monitors.

    IObit Advanced SystemCare Pros

    • Installation process is easy and quick
    • Lots of PC system optimization capabilities
    • Bitdefender antivirus engine inside

    IObit Advanced SystemCare Cons

    • Upsell offers and ads in the app
    • Not so strong in blocking malware
    • Average in anti-phishing tests
  • System Mechanic image

    Pricing

    • $25 Basic
    • $35 Pro

    Available on

    Key features

    • Restore deleted files
    • Task manager
    • System tweaker

    Key features

    • Restore deleted files
    • Task manager
    • System tweaker

    System Mechanic is one of the oldest and most popular PC optimization programs. This is a set of various utilities for quick optimization and fine-tuning of computer speed. The main difference from other utilities is the patented ActiveCare technology which monitors errors that can slow down the PC in real time. The program is available for all versions of Windows, from Windows XP to Windows 10.

    System Mechanic Pros

    • Wide array of PC optimization tools
    • Unlimited installs
    • one-click cleanup
    • Various scanning options

    System Mechanic Cons

    • Uninformative reports
    • Many features only available in Pro
    • Customer support lacks contact options
  • Avast Cleanup image

    Pricing

    • $49.99 1 Year
    • $89.99 2 Years
    • $129.99 3 Years

    Available on

    Key features

    • Delete trackers
    • Software updater
    • Clean temporary files

    Key features

    • Delete trackers
    • Software updater
    • Clean temporary files

    A small utility to speed up the PC from a well-known developer of antivirus solutions, the company Avast. Constantly improving own product Avast has created a fairly effective utility of cleaning and optimizing your PC. Tools to remove unnecessary files include when analyzing check most places of accumulation of "garbage" for best results. It can be integrated in antiviruses interface from this company as a tool.

    Avast Cleanup Pros

    • Low size
    • Software Updater
    • Sleep Mode

    Avast Cleanup Cons

    • No tool defragmentation
    • No active monitoring
    • No tools for working with files
  • Wise Care 365 image

    Pricing

    • Free Free
    • $29.95 Pro

    Available on

    Key features

    • Files shredder
    • Uninstaller
    • Registry cleaner

    Key features

    • Files shredder
    • Uninstaller
    • Registry cleaner

    Wise Care 365 is a PC speed up utility with more than 70 millions downloads from all over the world. Together with hardware analysis, it will show you its temperature, as well as even local temperature in a room/office. It also offers tools like disk eraser, password generator, data recovery, backups. It's both free and paid; supports English, French, Italian, Japanese, Spanish languages, and provides 24/7 technical support for premium customers.

    Wise Care 365 Pros

    • Lots of extra handy tools
    • Adds tools of choice to right-click context menu
    • Has a portable app version

    Wise Care 365 Cons

    • Free version very limited
    • No help in processes heavy on RAM
    • Focus on older versions of Windows
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  • IObit Software Updater image

    Pricing

    • $13 Pro
    • Free Free

    Available on

    Key features

    • 1-click update
    • Restore point
    • Automation

    Key features

    • 1-click update
    • Restore point
    • Automation

    As of now, the latest version available is 2.5.0.3005, released on March 30, 2020. IObit Software Updater does exactly what its name implies - it searches for updates to programs installed on a PC. It not only tells which programs are outdated, but can also update them automatically. There are two versions of the program: free IObit Software Updater and Pro for $12.97 per year (3 PCs). Free version has all the basic functions to keep applications up-to-date. In Pro one can set an automatic update schedule, remove sponsored ads, as well as get technical support 24/7 round the clock.

    IObit Software Updater Pros

    • List of recommended software
    • Multiple languages
    • Low resources consumption

    IObit Software Updater Cons

    • Lots of advertising in Free version
    • No MacOS support
  • JetClean image

    Pricing

    • Free Free

    Available on

    Key features

    • Internet booster
    • Registry defragmenter
    • Registry cleaner

    Key features

    • Internet booster
    • Registry defragmenter
    • Registry cleaner

    JetClean is a free program that is ideal as a tuneup for inexperienced users. A special built-in tool allows you to create a fully functional portable version. This small program includes effective tools for finding and removing unnecessary files, to speed up and defragment the registry and to improve system performance. Special tools can be used to protect personal files.

    JetClean Pros

    • Portable version
    • Free
    • Easy

    JetClean Cons

    • No privacy protection tools
    • No backup tool
    • No system monitoring tools
    Test Test
    2 months ago

    Test Test Test Test Test Test Test Test

  • 360 Total Security image

    Pricing

    • Free Essential
    • Free Total
    • $14.98 Premium

    Available on

    Key features

    • Cloud scan scan
    • Tuneup utilities
    • Decryption tool

    Key features

    • Cloud scan scan
    • Tuneup utilities
    • Decryption tool

    In addition to free antivirus 360 Total Security contains a CPU Vulnerability Assessment and Fix Tool - to scan and detect if Intel CPU has any vulnerabilities such as Meltdown or Spectre, and help users install new patches to fix it. For Android phones it features junk-cleaning, memory and battery boosting, as well as virus protection.

    360 Total Security Pros

    • Free antivirus
    • Optimization features
    • All platforms

    360 Total Security Cons

    • Less potent than competition
    • Only Windows 7 and 10
  • PC Cleaner image

    Pricing

    • $10 Standard
    • $40 Pro

    Available on

    Key features

    • Security check
    • SSD tweaker
    • License storage

    Key features

    • Security check
    • SSD tweaker
    • License storage

    Main features are: 1. Clean Up - a tab with 7 features to help free up local storage space on your PC, including typical Registry cleaner, Uninstaller, Startup manager. 2. Registry scan - search for irrelevant and obsolete keys in the system registry. It combs through 10 error categories. Categories can be customized. 3. Manage startup - autorun applications at three levels: Programs, Tasks, Services. 4. Privacy scan - file search is divided into 4 levels: Windows files (system temp and journal files), Internet (browsers history), Chat history (messengers and mailing apps) and Software (temp keys in registry with sensitive data).


    PC Cleaner Pros

    • ID data cleaner
    • Customizable file cleaning
    • Uninstaller

    PC Cleaner Cons

    • Free edition is of no value
    • 2 separate schedulers
  • Restoro image

    Pricing

    • $30 One-time
    • $40 Unlimited

    Available on

    Key features

    • Registry optimization
    • Repair damage
    • Junk cleaning

    Key features

    • Registry optimization
    • Repair damage
    • Junk cleaning

    Scans the PC for all possible problems related to Windows errors, finding corrupt or damaged files, the causes of problematic operation, and the presence of viruses or programs that threaten stable operation. It is free. To access subsequent features you need to purchase a program. Optimize registry - to prevent corruption or malfunction of registry files that could significantly reduce the performance. Repair damage by viruses - Restoro compares system files with the Restoro repository files, replaces infected or damaged files with new ones. To find out more go to full review (link above).

    Restoro Pros

    • Fixes Windows errors
    • Improves PC performance
    • Repairs damages files

    Restoro Cons

    • Windows OS only
    • Can't fix 3rd parties applications
  • System Mechanic Ultimate Defense image

    Pricing

    • $63.96 Ultimate Defense

    Available on

    Key features

    • Clean & optimize
    • Privacy Shield
    • Security Optimizer

    Key features

    • Clean & optimize
    • Privacy Shield
    • Security Optimizer

    System Mechanic Ultimate Defense v.20.0.0.4, an enhanced version of standard System Mechanic, is a comprehensive suite of security, privacy, and performance features in one convenient interface. The program includes all products that are developed by Iolo and distributed separately. In addition to standard PC cleanup from junk files, users can clean the registry, optimize disk and RAM, speed up OS startup, use firewall, confidentially browse the Internet, manage passwords, etc. That is why this build also includes other software, namely: Privacy Shield, ByPass, Malware Killer, System Shield, Drive Scrubber, and more. In other words, it’s an all-in-one optimizer.

    System Mechanic Ultimate Defense Pros

    • Not demanding on computer resources
    • A set of helpful tools in one place
    • Ignore list

    System Mechanic Ultimate Defense Cons

    • Expensive
    • Poor technical support
    • 24/7 support costs extra $200 per year
  • CleanMyMac image

    Pricing

    • $39.95 1 Mac
    • $89.95 3 Macs
    • $89.95 Lifetime

    Available on

    Key features

    • Uninstaller
    • Duplicates finder
    • Remove junk files

    Key features

    • Uninstaller
    • Duplicates finder
    • Remove junk files

    This program will allow you to speed up the performance of your Mac in just a couple of steps. The built-in duplicate removal assistant supports search in iTunes, iPhoto, iMovies, iWork, and Aperture. A menu of quick selection of cleaning options allows you to safely remove unnecessary system files, logs and other junk files that takes up free space. For those who want to try this program, a free version is available with a bit of reduced functionality.

    CleanMyMac Pros

    • Antimalware tool
    • Privacy protection
    • Software updater

    CleanMyMac Cons

    • Limited free version
    • Weak advises
    • No tweak options
  • MacBooster image

    Pricing

    • $39.95 Standard
    • $89.95 Lite
    • $59.95 Premium

    Available on

    Key features

    • Junk cleaning
    • Malware scan
    • Memory clean

    Key features

    • Junk cleaning
    • Malware scan
    • Memory clean

    From the start, MacBooster invites you to check the system status by clicking the Scan button. Full scan of a 120Gb hard drive takes about 2 minutes. When over, MacBooster evaluates the system and, in our case, system status has changed from Unknown to Dangerous. Scanning is telling us how much storage space is filled with junk files, potential malware elements in files and applications. Apart from that, it shows the opportunities of Turbo boost - tools to improve disk performance, including disk optimization, permission optimization, storage optimization.

    MacBooster Pros

    • Fast scanning
    • Multiple tools in one program
    • Finds more junk files than competitors

    MacBooster Cons

    • Does not scan all memory devices
    • No real-time protection
  • MacKeeper image

    Pricing

    • $5 1 Mac
    • $7 3 Macs

    Available on

    Key features

    • Cleaning
    • Security
    • Optimization

    Key features

    • Cleaning
    • Security
    • Optimization

    MacKeeper interface consists of 5 general tabs, each containing tools for specific tasks: Fix, Security, Cleaning, Performance, Privacy. Left side menu always stays in sight, so it is easy to switch between different tasks. We can assume that Find & Fix is the main tab of the program. The task is to perform the complex analysis and suggest recommendations on the overall condition of your device in terms of performance optimization, security, privacy, etc. To do a scan and find potential harmful files or programs you need to go over to the Antivirus tab. With real-time protection, malware removal, VPN, anti-spyware, MacKeeper assures to provide 24/7 security of device and user data. There’s also the Adware Cleaner tool to stop ads, spyware, trackers, etc. while browsing: it detects and deletes it.

    MacKeeper Pros

    • Powerful functionality
    • Extra tools: updater, VPN, ad block
    • 75% discount for 3 Macs plan

    MacKeeper Cons

    • Negative reviews
    • No way to turn off notifications
  • SlimWare Utilities Slimcleaner

    SlimWare Utilities Slimcleaner

    SlimWare Utilities Slimcleaner image

    Pricing

    • Free Free
    • $19.97 Pro

    Available on

    Key features

    • Auto optimization
    • Registry cleaner
    • Scheduler

    Key features

    • Auto optimization
    • Registry cleaner
    • Scheduler

    This program has a free and premium version. The functionality of the free version is quite limited and allows you to use tools only for "manual" cleaning and optimization. It also contains a very useful option that provides an assessment of software, based on the vote of the Slimware community. The premium version also includes features that allow you to schedule and automatically perform optimization operations.

    SlimWare Utilities Slimcleaner Pros

    • Easy menu
    • One-click scan
    • Advises

    SlimWare Utilities Slimcleaner Cons

    • Weak privacy protection tools
    • Free version limitations
    • Weak reporting system
  • WinUtilities image

    Pricing

    • Free Free
    • $19.95 Pro
    • $19.97 Lifetime

    Available on

    Key features

    • Files restoring
    • Safety deleting
    • Files encrypting

    Key features

    • Files restoring
    • Safety deleting
    • Files encrypting

    WinUtilities is a program developed by the American company, YL Computing. It is easy to learn, even for a beginner. The program has a built-in one-click fix tool. For more experienced users, a large number of tools are available to optimize the system, including cleaning tools and system status monitoring. Also you can clean and encrypt your private files.

    WinUtilities Pros

    • Works fast and smooth
    • Multiple languages
    • help documentation
    • HTML reports for different modules

    WinUtilities Cons

    • Not too different from Windows utilities
    • Very little effect on RAM boost
    • No disk cleanup or anti-malware
  • Ashampoo WinOptimizer 2019

    Ashampoo WinOptimizer 2019

    Ashampoo WinOptimizer 2019 image

    Pricing

    • Free Free
    • $15 Pro

    Available on

    Key features

    • Connection optimizator
    • Free space wiper
    • Registry repairing

    Key features

    • Connection optimizator
    • Free space wiper
    • Registry repairing

    WinOptimizer will provide system maintenance with the help of a cleaner tool, erasing internet trails, repairing registry, conducting pro-active monitoring, etc. Improved Drive cleaner and Disk defragmenter will help to tidy up your hard drives and avoid disasters in their work. Experienced users can use tools in file management, system diagnosis, shutdown of system services, and even customizing Windows OS.

    Ashampoo WinOptimizer 2019 Pros

    • Powerful system scan and 1-click fix
    • Automatic repair of invalid entries on start up
    • Accelerate system boot with boot sector optimizer

    Ashampoo WinOptimizer 2019 Cons

    • No custom install
    • Can erase system restore points
    • Adds store link to desktop
  • 1-Click PC Care image

    Pricing

    • $29.95 1 Year

    Available on

    Key features

    • Privacy protector
    • Fix registry errors
    • Automatic speed up

    Key features

    • Privacy protector
    • Fix registry errors
    • Automatic speed up

    1-Click PC Care helps solve system problems that slow down your PC. Using the built-in tools, you can eliminate slowdowns caused by errors in the registry or incorrect settings of the system. Experienced users can fine-tune and clean using the system’s deep analysis tools. To prevent the appearance of new errors in the program there are tools for tracking the state of the system, which automatically perform cleaning and acceleration.

    1-Click PC Care Pros

    • Automatic system state monitor
    • "Deep" scan mode
    • Simple menu

    1-Click PC Care Cons

    • Trial version very limited
    • Weak advises about functions
    • Insufficient backup functionality
  • AVG TuneUp image

    Pricing

    • $49.99 1 Year
    • $99.99 2 Years
    • $149.99 3 Years

    Available on

    Key features

    • Registry optimization
    • Uninstaller
    • Auto PC care

    Key features

    • Registry optimization
    • Uninstaller
    • Auto PC care

    So what's in the box? One-click fix to improve performance and optimize device. Separate real-time optimization module. Troubleshooting, cleaning the disk, finding duplicates, disabling the automatic execution of the program - for extra reliability, plus small utilities like setting up Windows and managing operating modes.

    AVG TuneUp Pros

    • Familiar and easy to use
    • It can automate basic maintenance tasks
    • Unlimited installs
    • support for Mac & Android

    AVG TuneUp Cons

    • Installs additional unwanted apps
    • Results don’t correspond with promotion
    • Only dark interface theme
  • Glary Utilities Pro image

    Pricing

    • Free Free
    • $19.97 Pro

    Available on

    Key features

    • Files encrypting
    • Files restoring
    • System monitoring

    Key features

    • Files encrypting
    • Files restoring
    • System monitoring

    A simple PC optimization tool with all the basic functions. It consists of modules that are responsible for different areas: Cleanup & Repair, Optimize & Improve, Privacy, Files & Folders, System Tools etc. The latter one is extra useful, for example, when monitoring apps on PC to prevent spyware, managing browser add-ons, etc.

    Glary Utilities Pro Pros

    • Effective in optimization and cleanup
    • Nice interface
    • easy to use
    • Speeding and tuning up every area

    Glary Utilities Pro Cons

    • Some tools are a bit slow
    • Not the easiest or fastest to install
    • Freeing only little disk space
  • Razer Cortex: Game Booster

    Razer Cortex: Game Booster

    Razer Cortex: Game Booster image

    Pricing

    • Free Free

    Available on

    Key features

    • Internet optimization
    • System optimizing
    • Registry cleaner

    Key features

    • Internet optimization
    • System optimizing
    • Registry cleaner

    Razer Cortex Game Booster is quite interesting program. As the name suggests, this PC setup tool is designed for gamers and comfortable gameplay. Game Booster launches when you start any game on your PC and closes unnecessary programs to free up resources and RAM. When you finish the game, everything returns to the previous state.

    Razer Cortex: Game Booster Pros

    • PC optimization for good gaming performance
    • Able to cast gaming sessions on the web
    • Free to use
    • user-friendly interface

    Razer Cortex: Game Booster Cons

    • Suspicious in terms of malware
    • Repeated sign-ins and only online use
    • Requires .NET framework
  • Comodo PC TuneUp image

    Pricing

    • Free Free
    • $19.99 Advanced

    Available on

    Key features

    • Files cleaner
    • Duplicates finder
    • Scheduler

    Key features

    • Files cleaner
    • Duplicates finder
    • Scheduler

    Comodo PC TuneUp is a free utility from the well-known developer of anti-virus applications Comodo. The company's experience in protecting information has helped develop and integrate a safe file deleting technology called SafeDelete. The program allows you to clean your PC from erroneous and obsolete registry keys. To clean from unnecessary files available "normal" and "deep" modes that eliminate unnecessary files and temporary system files.

    Comodo PC TuneUp Pros

    • Easy in using
    • Registry defragmenter
    • Boot time optimization

    Comodo PC TuneUp Cons

    • Privacy protection options
    • No real-time monitors
    • No Backup instrument
  • Avira System SpeedUp

    Avira System SpeedUp

    Visit website
    Trial 14days
    Avira System SpeedUp image

    Pricing

    • $3.99 1 Month
    • $31.99 1 Year
    • Free Free

    Available on

    Key features

    • Defragmenter
    • Files cleaner
    • Files optimization

    Key features

    • Defragmenter
    • Files cleaner
    • Files optimization

    The free version of Avira System SpeedUp has significant limitations, and only allows you to scan for ways to optimize your PC. The full version of the program includes more than 20 different tools. A safe utility is available for working with important files and mobility lovers will enjoy the utility for managing laptop power.

    Avira System SpeedUp Pros

    • Energy Saver
    • OnWatch technology
    • File Shredder

    Avira System SpeedUp Cons

    • Trial limitations
    • Weak advises
    • Backup tool
  • Stellar SpeedUp Mac

    Stellar SpeedUp Mac

    Visit website
    Trial 7days
    Stellar SpeedUp Mac image

    Pricing

    • $39.99 1 Year

    Available on

    Key features

    • Delete junk files
    • Delete temporary files
    • Application uninstaller

    Key features

    • Delete junk files
    • Delete temporary files
    • Application uninstaller

    This program will allow you to speed up the performance of your Mac in just a couple of steps. The built-in duplicate removal assistant supports search in iTunes, iPhoto, iMovies, iWork, and Aperture. A menu of quick selection of cleaning options allows you to safely remove unnecessary system files, logs and other junk files that takes up free space. For those who want to try this program, a free version is available with a bit of reduced functionality. 

    Stellar SpeedUp Mac Pros

    • Free version is available
    • Duplicate finder
    • Scheduler

    Stellar SpeedUp Mac Cons

    • Very limited free version
    • Can delete important language files
    • High price
  • Advanced System Optimizer

    Advanced System Optimizer

    Visit website
    Trial 1days
    Advanced System Optimizer image

    Pricing

    • $69.95 1 Year

    Available on

    Key features

    • File shredder
    • Registry cleaner
    • File encryptor

    Key features

    • File shredder
    • Registry cleaner
    • File encryptor

    This simple, at first glance, program is a powerful tool for setting up a PC. Just a few clicks will allow you to clean and optimize the contents of the registry, delete unnecessary files and logs or check and repair the status of hard drives. In addition, the program contains a large number of useful utilities, from recovering deleted files to an OS optimization tool.

    Advanced System Optimizer Pros

    • Deep and comprehensive cleanup
    • Additional tools in the package
    • System backup
    • tools for privacy

    Advanced System Optimizer Cons

    • Backup functionality quite stiff
    • Only one backup per day allowed
    • It flags some settings and cookies as threats
  • CCleaner image

    Pricing

    • Free Free
    • $20 Pro
    • $30 Pro Plus

    Available on

    Key features

    • System scan
    • Install logs export
    • Disk analyzer

    Key features

    • System scan
    • Install logs export
    • Disk analyzer

    One of the most popular tools for cleaning and optimizing your PC. CCleaner for several years holds the lead among programs for cleaning the hard disk. The free version easily finds unnecessary files that were created by the system and programs and deletes them. In the paid version, deeper cleaning algorithms and additional system and registry optimization tools are implemented.

    CCleaner Pros

    • Software updater
    • Delete internet-trackers
    • Privacy protection

    CCleaner Cons

    • Complete cleaning unavailable in free version
    • No registry defragmenter
    • No system state monitors

Top comments

Recent discussions

PC optimizers are a special category of software that help improve the speed of user’s device. Using built-in tools, users can conduct regular maintenance of operating system to prevent slowdowns. In addition, these programs help to remove temporary and unnecessary files to increase free disk space. Also, most of optimization software can aid in system settings or elimination of common errors.

Any long-term and intense use of OS accumulates large amounts of unnecessary information, like outdated backups for instance. Windows OS is especially characterized by the accumulation of failed registry entries caused by unfit removal of software, errors in structural components. These factors reduce the speed of the system, which leads to a drop in PC performance. So optimizer tools are one kind of remedy against that.

Windows operating system uses registry as the key logbook of global and small system settings. To understand how the registry works, imagine that you need to pay one paper bill every day, but before paying, you must check all previous bills and always carry them with you. Over time, this procedure will require more and more time - so will accessing a registry entry, with many unnecessary keys.

Many programs keep logs of different detail degree for monitoring and critical errors detection. In process, they produce temporary files that are not always deleted, and further accumulate in the system, occupying space. OS also remembers previously used programs and files to provide quick access just in case. All of it leads to accumulation of vast number of files that are not necessary, but stored on disk. PC optimizers search unnecessary files in known locations, then delete them.

Active monitoring tools, built in optimizers, perform real-time monitoring of the system state. Users can set up conditions and requirements for monitoring and consecutive cleanup. Scheduling option allows to run a checkup and optimization upon specified time periods.

This is an operation of structuring data on a disk. HDD store information in special cells - clusters of small size. Files are recorded in these cells, sometimes resulting in a situation where one file can be dispersed in cells. And if those cells are located at a great distance one from another, it could cause system crash when accessing a file. Defragmentation organizes data in clusters, so that files will no longer be scattered afar.

This is a set of tools for one of aspects of PC optimization:

  1. File explorer - utilities with it provide reports about file sizes and disk space.
  2. Duplicate finder - detects duplicate files located in different directories. But use with caution, as to not delete critical ones.
  3. File undelete/restore - to recover accidentally deleted files.
  4. File shredder - to delete files permanently, without the possibility of restoration.


To perform PC optimization properly there are few suggestions. Use autorun optimizer - as often slowdowns are caused by big number of processes that automatically launch at system startup, disabling unnecessary applications will definitely free up resources. Be careful with registry cleaner - always back up registry entries before cleaning it, because optimizers cannot always distinguish the correct entry from the outdated one.

Do not clean everything automatically, at least when you run this feature for the first time. Always check carefully, which files you allow to remove, or choose to clean by script. There is always a risk of deleting temp files that are needed by OS. Backup changes - most PC optimizers have built-in tools for archiving changes caused by optimization. Before the first cleaning, we recommend setting up backups (or system restore points) to prevent system crashes.

iolo System Mechanic is a time-tested utility, offering a set of utilities for automation, along with new technologies for PC monitoring. IObit Advanced SystemCare - a convenient program for average users, where tools are divided into categories and contain descriptions. Razer Cortex: Game Booster is a program that stands out from competition due to focus on gaming experience and and respective optimization.

According to Google Trends (despite statistics that vary from period to period), users still prefer integrated solutions for system optimization. The second place goes to cleaning of temporary files, an option which, along with defragmentation, are the basic functions of any integrated solution for PC optimization.

We ran each utility on the same PC, in the same environment, repetitively. We didn’t count performance boost in percentage, because it would be inaccurate due to testing 10 apps in a row. In terms of performance, 2 utilities – Advanced SystemCare and Wise Care 365 – found the biggest number of issues, though its relative in a way too. Razer Cortex gave the most considerable RAM boost. But judge for yourself.


Software

Issues found

Junk files

Privacy issues

Registry issues

Disk optimization

RAM boost

Services stopped

1

Advanced SystemCare

5253

551 mb

6

0

1826

458 mb

9

2

WinOptimizer

157

509 mb

2

124

n/a

n/a

n/a

3

System Mechanic

271

n/a

n/a

6

n/a

n/a

n/a

4

Wise Care 365

4758

1.2 Gb

86

418

n/a

n/a

n/a

5

Glary Utilities

139

147 mb

0

43

1

388 mb

n/a

6

Advanced System Optimizer

289

n/a

1036

86

n/a

n/a

n/a

7

WinUtilities

n/a

2

n/a

1114

n/a

500 mb

n/a

8

WinZip System Utilities

95

n/a

886

64

n/a

n/a

n/a

9

AVG TuneUp

53

413 mb

n/a

208

n/a

n/a

9

10

Razer Cortex

42

1.9 Gb

n/a

n/a

n/a

885 mb

14


Step 0: Safety. Always create a backup, before making any critical changes to the system. In Windows, you can do it by using the recovery point creation tool.

Step 1: Drivers. First, install the latest hardware drivers, as game developers typically use the most advanced technologies in graphics. So with outdated drivers you will not be able to enjoy all the visual effects and will have losses in FPS. You can check your drivers relevance via one of driver updater category.

Step 2: Autorun. The autorun list is one of the most misunderstood reasons for slowing down your PC. Each application launched from this list at system startup consumes PC resources, and is not always necessary at the moment. Turning off unnecessary applications will allow you to free up resources for gaming.

Step 3: Cleaning. Clean up the system drive from unnecessary files with help of one of optimizer app to free up space. We also recommend optimizing the registry to speed up the access to it.

Step 4: Run applications. Terminate all applications, except antivirus solutions. We do not recommend disabling antivirus software during the game, especially if it is an online game. Instead, use the Game / No notifications modes.

Step 5: Paging (only for experts). Increasing the paging file will allow to create the necessary memory reserve in case the basic amount of RAM is not enough. This could help to avoid slowdowns during resource-intensive moments in a game.

Step 6: Reboot. After having completed previous steps, restart the system and make sure it works stably. If any errors occur, restore the system to the previous state, using recovery tools. Have a nice game!

What is the best PC optimization software?

It depends on user skills and how intensely the OS is used. You can start with free or basic solutions and see where it gets you.

How to optimize Windows 10?

All modern PC optimization programs, listed in directory and topic above, support Windows 10 (System Mechanic, Advanced Care, Wise Care 365, and others).

What are free PC optimizers?

Freemium - iolo System Mechanic, ioBit Advanced Care, Ashampoo WinOptimizer. Totally free are Razer Cortex, Advanced System Optimizer, WinUtilities.

How to optimize PC fan speed?

We do not recommend changing hardware settings, because this may be grounds for warranty cancellation. The high speed of cooling fans indicates high temperature of heating components, the processor in particular. To cool it, try optimizing PC and reducing overloads. If the issue persists, contact service center and request system unit dust cleaning.

PC optimizer suggests deleting files from system folder/disk. Is it safe?

It is safe, but always use tools for archiving beforehand. We also recommend to make a full backup of the system using Backup Software or Disk Imaging software, at least once a month.

I deleted junk files, but PC optimizer found them again

This means that files are still in use by OS and therefore not available for deletion. Try to remove them after restarting the PC.

What is disk checking?

Hard drives are usually divided into clusters, and sometimes when writing/reading these clusters, failures happen that could lead to a system crash. Disk checkers fix clusters, and if they cannot be fixed, remove them from the list of available clusters. We recommend to perform this operation regularly (once a week), before defragmentation, to prevent data loss.