7 Best Software to Fix a Slow Windows 10/11 PC

Improve system's performance by using any of the cleaners below

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Key notes

  • If you’re looking for software to fix a slow computer, you’ve come to the right place.
  • The list below contains some of the best tools that will fix a slow PC.
  • Carry on reading because some of these will fix a slow computer for free as well.

We all know how annoying it can be when your computer starts to slow down and applications begin to load slowly or lag. This usually happens after several months of use.

The major cause is usually because of bloatware, the presence of many junk files, and registry errors. Sometimes this can be a result of updates or new upgrades to your Windows operating system.

However, there are many ways to speed up your computer with utility software. Windows Report team has compiled the best software to increase the performance and speed of your computer.

How do you clean up a computer that is running slow?

Not enough disk space, too many open apps, or simply outdated drivers are just a few of the factors that cause a computer to run slowly.

But remember, any operating system inevitably will slow down a little over time if over-solicited. For this reason, we recommend keeping your computer up-to-date and reinstalling your operating system every two years to maintain peak performance.

Today, we are gonna talk about five easy ways to help you refresh and maintain the performance of your PC:

  • Delete unnecessary apps and files: Delete the temporary files, run a disk cleanup, uninstall old apps that you don’t use anymore, and just free up some disk space.
  • Empty your Recycle Bin: If you didn’t do that in a while, there might be a lot of files piled up there.
  • Use an antivirus: Having your PC infected will make it run slower. Do a full system scan with a professional antivirus to make sure your computer is safe.
  • Use a specialized tool: A tool can do all these steps for you automatically, and even clean and repair some aspects you didn’t think of, so it might be worth a shot.
  • Update your OS: Outdated OS can run slower since all programs are optimized for their latest updates.

Why is my Windows 10 computer running slow?

Windows can be very slow if you have multiple applications installed and running in the background. If certain applications aren’t necessary, it’s advised to close them.

There are several methods that you can use to improve PC performance, and one of them includes disabling startup applications.

Startup applications can also make Windows slow to boot, but there are ways to fix this problem, and in today’s guide we’re going to show you the best tools for this task.

Which is the best program to fix a slow computer?

Fortect – Easy to use system optimizer

Fortect is a trustworthy repair and optimization software that is great for use when various issues interfere with your computer’s condition.

It is able to run a complete scan of your entire system and provide afterward a diagnostic report with all encountered issues and their root.

Thanks to its advanced OS technology, it also compares your malfunctioning system to a new one and ultimately helps you repair corrupted and missing OS files, such as DLLs and registry keys.

Moreover, you can choose a system cleanup where all the junk files and build-ups are removed from your folders, disk, and hard drive, which helps with boosting your computer’s performance.

Here are other key features of Fortect:

  • Identify faulty hardware
  • Prevent blue screen of death
  • Windows Registry optimization


Fix and prevent stability issues with the Fortect app and watch how your system will noticeably improve.
Free Trial Download now

System Mechanic Ultimate Defense – Great for solving general issues

System Mechanic PC status

IOLO System Mechanic Ultimate Defense is a system utility cleaner that scans the system for junk files, unwanted apps, bloatware, and caches. This tool removes or updates diagnosed results. It also frees your PC RAM and removes web browser cache and history.

In addition, IOLO System Mechanic gives comprehensive optimization features and gives a significant increase in speed and computer performance. The tool helps to make your system run faster and is a highly recommended application to use for your slow system.

Using System Mechanic Ultimate Defense offers:

  • Privacy guardian for anti-tracking and privacy protection
  • Malware killer with included antivirus protection
  • Military-grade hard drive wiping technologies
  • Advanced file recovery software

However, System Mechanic has a free edition with limited features and two paid versions that have more features.

System Mechanic Ultimate Defense

When your car slows down, you take it to a mechanic. When your PC slows down, you give it Iolo System Mechanic.
Free Trial Download Now

CCleaner – Best for freeing up memory space

CCleaner is a popular utility application that scans your PC and eliminates junk files, cleans the registry, and updates programs. Unlike other system cleaners out there, CCleaner cleans most of the registry of your Windows PC.

You can schedule cleanups with the scheduling tool and it gives you alerts when you have broken registries.

The software also gives detailed information on your computer after scanning. Also, it contains several tools such as a program uninstaller, startup manager, disk analyzer, duplicate finder, system restore, drive wiper, and many other tools.

CCleaner’s main key features are:

  • Safer browsing with increased privacy, CCleaner deleting cookies and search history from browsing
  • Get up to 34% increased speed and 30% more battery life for your laptop
  • 1 click updates all your software
  • Driver updated included

Piriform CCleaner is a recommended software to fix a slow computer.


One of the most renowned names in terms of optimization utilities is CCleaner. Get it today and see for yourself why!
Check Price Visit Website

Glary Utilities Pro – Great for system backup, restore and file repair

glary utilities pro screenshot

Glary Utilities is one of the best tools to make a slow PC run faster. Besides all clutter removal tools, it also can speed up your PC. Moreover, this tool is the safest on the web so it won’t interfere with your firewall or antivirus.

Here are some of its best features that will make your slow PC run faster and smoother:

  • Repair and cleanup: disk and registry cleanup, shortcut fixer, duplicate file finder
  • System tools: backup, restore, system files repair
  • Optimization: startup and memory optimization, disk defragmentation
  • Privacy: file shredding and encryption, process management, file undeletion

These processes have a customization degree so you could run them according to your needs. After a few cleaning and repairing processes, your PC should run like a charm.

Plus, the tool scans and detects problems 8 times faster than any other tool so you can get your PC cleaned and repaired faster. The tool is available to try for free from the link below.

Glary Utilities Pro

A slow Pc can be fixed by repairing it or boosting it. Glary Utilities Pro can do both, so get it today at a special price!
Check Price Visit Website

IObit Advanced System Care Pro – Great in-depth issue finding

IObit Advanced SystemCare

IObit Advanced System Care Pro is the complete package for protecting and maintaining your slow system. It will check your PC for all issues, problems, and errors that are running and give solutions to solve all of them.

This complex of tools will speed up your slow computer as well as your internet speed. By adapting your browser settings to adapt your browsing style, your surfing experience will be smoother and faster.

It uses an AI-powered scanning feature that intelligently scans the modules that are most likely to slow down your PC.

Using IObit Advanced System Care Pro gives you the benefits of:

  • Deep PC cleaning of useless registry files, junk files, and old folders
  • Automatically erasing online traces and blocking untrusted access
  • Real-time protection against virus infection
  • 1 click to check and updated all software on your system

IObit Advanced System Care Pro was created to boost the speed of your system and keep maintenance over time so it will always be running at peak performance.

IObit Advanced System Care Pro

Fix your slow PC and enjoy speed like the first time you used it.
Free Trial Visit Website

Ashampoo Win Optimizer -Great for improving system speed

Ashampoo Win Optimizer is a utility software that scans your system and uses its maintenance to fix problems. With this tool, you can easily scan your system for junk files, broken registries, and bloated software with a single click.

In addition, the cleaner helps to erase the diagnosed directories and restores your system to a clean state.

Meanwhile, the software runs checks in your system and gives a detailed description of issues diagnosed and what they are about. Hence, you can then make a well-informed decision on either to erase it or keep such files.

The main key features of Ashampoo Win Optimizer are:

  • Thorough in-depth cleaning of system-critical areas
  • Super-fast 1-click optimization based on new cleaner modules
  • Convenient cookie manager for “safe” cookies
  • Up to 75% faster cleaners

Ashampoo Win Optimizer has tools for maintenance tasks such as defragging hard drives and optimizing your Windows startup process. This makes the application a handy utility software to fix a slow computer.

Ashampoo Win Optimizer

The name says it and Ashampoo Win optimizer does a great job at bringing your PC up to speed!
Check Price Visit Website

Tweaking Windows Repair – Good free features


The second entry on our list is a software tool that looks perfectly suited for Windows 7 since both of them have dated UIs by today’s standards.

However, Tweaking Windows Repair is a complete PC optimization and repair tool, allowing you to fix your slow PC and make it run as if it were brand-new, all with just a single scan.

It is currently available in a free and a Pro version, but if you want to give your PC a complete check and makeover, the Pro version is the recommended one.

Tweaking Windows Repair’s key features are:

  • Repairs registry errors, internet problems, firewall problems, etc.
  • Enhanced Windows drive cleaner
  • Performance enhancements with advanced, powerful Windows services tools
  • Run speed tweaks after repairs to see exactly the boost in performance

Whichever version you pick, know that the program is just as lightweight, so you won’t end up slowing down your Pc in an effort to speed it up.

Tweaking Windows Repair

Be it Windows 7 or Windows 10, they will all run faster and smoother after you give Tweaking Windows Repair a go for it.
Free Trial Visit Website

Conclusively, the five utility programs we mentioned above will increase your system speed and performance. But it may be better to combine two or three of the programs listed above as some of them have specialized functions.

How to find out what is slowing down my computer?

The simplest way to see what is slowing down your computer is to open the Task Manager and check what uses up the most resources. Most slowdowns are created by apps that use a lot of CPU or RAM.

Task manager eliminating tasks

To free up the memory, you must close those apps. The process is simple, just find the app that uses the most resources, right-click on it then select End Task.

You can do this for any of the apps that run on your PC. Most of them are system apps, so be cautious. To further improve your System performance, you can stop the programs that you are not using at all.

If you desire a full-throttle cleaner, Fortect is recommended, as it incorporates many of the features of the software to fix a slow computer.

You can also take a closer look at this list including the best PC repair tools that are safe to use. They will ensure a processing speed boost, along with several customization options to take advantage of.

Have you used any of the software we mentioned recently? Feel free to share your comments and recommendations with us by commenting below.

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