5+ best software to fix a slow Windows 10/11 PC

by Ivan Jenic
Ivan Jenic
Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and... read more
Affiliate Disclosure
  • 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.
  • These include Restoro, Tweaking Windows Repair, Iolo System Mechanic, and more.
  • Carry on reading because some of these will fix a slow computer for free as well.
software to fix a slow Windows

To fix various PC problems, we recommend Restoro PC Repair Tool:
This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues and remove viruses now in 3 easy steps:

  1. Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues affecting your computer's security and performance
  • Restoro has been downloaded by 0 readers this month.

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 as a result of updates or new upgrade 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.

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?


A slow PC can be caused by a wide range of issues, from missing registry keys to corrupted DLLs, and they can directly lead to inefficient RAM usage, as well as constant CPU spiking that can greatly slow down your PC.

Besides actual slow response times, your activity on the PC can be slowed down due to having to deal with constant error messages, but with the help of Restoro, those will all go away in no time.

Sporting an ultra-minimalistic UI, restoro starts scanning your PC for problemas and issues form teh moment you first launch it on your PC.

It will then present to you an overview of your PC’s currents status, and you can then choose what the best course of action is, all with little effort and the least amount of required clicks.



Your PC can run as if it were brand new, all fast and error free. Just give Restoro a try, and you won’t regret it!

Check priceDownload now


CCleaner is a popular utility application that scans your PC and eliminates junk files, cleans the registry and update 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 program uninstaller, startup manager, disk analyser, duplicate finder, system restore, drive wiper, and many other tools.

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


One of the most renowned names in terms of optimizations utilities is CCleaner. Get it today and see for yourself why!

Check price Visit website

System Mechanic Ultimate Defense

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 highly recommended application to use for your slow system.

Expert Tip: Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken. We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
Click here to download and start repairing.

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

System Mechanic Ultimate Defense

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 trialDownload

Glary Utilities Pro

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 could get your PC cleaned and repaired faster. The tool is available to try for free from the link below.

Glary Utilities Pro

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 priceVisit website

Ashampoo Win Optimizer

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.

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

Ashampoo Win Optimizer

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

Check priceVisit website

Tweaking Windows Repair

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 iof you want to give your PC a complete check and makeover, the Pro version is the recommended one.

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

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 trialVisit 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.

If you desire a full-throttle cleaner, CCleaner is recommended as it incorporates many of the features for 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.

idee restoro Still having issues? Fix them with this tool:
  1. Download this PC Repair Tool rated Great on TrustPilot.com (download starts on this page).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues with Patented Technologies (Exclusive Discount for our readers).

Restoro has been downloaded by 0 readers this month.

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