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Windows Slimmer

Totally FREE Disk Cleanup Tool!
Windows Slimmer will clear temporary files, remove junk, and clean up system files you no longer need to free up disk space and make your system more efficient
Version 5.0.0.0 | Released: 2025.01.25 | 22.8MB. Compatible with Windows 7, 8, 8.1, 10, 11.
16+ years
on the market
5-star awards
from industry experts
50+ million
user downloads

What Can Auslogics Windows Slimmer Do for My PC?

Windows Slimmer is not just your everyday Windows disk cleanup tool. It thoroughly scans your system and allows you to free up disk space on your PC effortlessly, leaving no traces behind.

Clean Up System Files

Windows Slimmer identifies unnecessary files and system clutter, including junk and temporary files, application logs, and memory dumps, then clears them out to free up disk space, making sure that your sensitive data is securely deleted, not just removed. It can also perform a comprehensive Windows Update cleanup, clearing out old update files that are no longer needed.

Uninstall Unwanted Programs

Wondering how to uninstall programs on Windows 10 and other Windows versions quickly and efficiently? Windows Slimmer is an ideal solution that helps you remove bloatware, software leftovers, and other unwanted apps completely.

Save Disk Space by Enabling the Compact OS Feature

Windows Slimmer’s Compact OS feature reduces the size of your Windows installation. If you’re looking for how to clean up your C drive and optimize your system’s performance, it’s one of the easiest solutions.
Download
Windows Slimmer
today
and get your Windows size under control
Version 5.0.0.0 | 22.8MB | Released: 2025.01.25.
Compatible with Windows 7, 8, 8.1, 10, 11.

Why Auslogics Windows Slimmer?

With a variety of Windows disk cleanup solutions out there, why should you choose the disk cleanup tool from Auslogics? There are actually quite a few things that make Windows Slimmer stand out.

Industry-Acknowledged Quality

Auslogics software products have been proven safe and effective in multiple tests, used by PC manufacturers and recommended by experts.

Absolutely FREE

This program is totally free with no term limitations for home or commercial use. Free regular updates included.

Ultra-Fast Engine

At Auslogics, we pride ourselves on our technology that allows for a quick and comprehensive system scan and disk cleanup.

Professional Support

Use the Ask a Question tool in Windows Slimmer to post your question and get an answer from tech experts, or email our friendly support for prompt assistance. Most inquiries are answered within a few hours.

How to Free Up Disk Space on a PC with Auslogics Windows Slimmer

Windows Slimmer makes searching for and removing junk files, uninstalling apps, and deleting software leftovers simple and intuitive. Just follow the steps below:

Step
1

Download and install Windows Slimmer on your PC

Step
2

Select the section you want to check and click Start Scan

Step
3

Launch disk cleanup by clicking the Start Cleanup button

Why Remove Junk Files?

Even after running regular junk cleanup, your Windows may still have hundreds of unneeded system files, apps, and other items that may be weighing down your PC. Run a checkup with Auslogics Windows Slimmer and free up disk space like a pro. Here are the essential reasons to use Windows Slimmer:

Improve System Performance

Junk files, such as temporary files, memory dumps, old system restore points, Windows Update files, outdated Windows libraries, disabled system components, and leftover application logs, may not only clutter your system but also slow down performance. Run Windows Slimmer regularly to clean up system files and maintain optimal performance.

Free Up Disk Space

Accumulating junk files can take up valuable space on your hard drive, leaving less room for important files and applications. Windows Slimmer is an efficient solution if you’re wondering how to free up disk space on Windows 10, 11, or other Windows versions, that allows you to perform comprehensive disk cleanup and remove unneeded files to optimize your storage.

Enhance Privacy and Security

Junk files often contain sensitive information that, if not properly deleted, could pose a security risk. Regularly clearing out these files, including temporary files and Windows update files, ensures your data remains safe. Windows Slimmer can help you delete junk files, safeguarding your privacy and keeping your system free of unnecessary clutter.
Download
Windows Slimmer
today
and get your Windows size under control
Version 5.0.0.0 | 22.8MB | Released: 2025.01.25.
Compatible with Windows 7, 8, 8.1, 10, 11.

Still Have Questions?

See if your question has already been answered below.
Which Windows versions does Auslogics Windows Slimmer support? Does it work with 64-bit and 32-bit processors?

Auslogics Windows Slimmer supports the following Windows versions:

  • Windows 7 (32-bit and 64-bit)
  • Windows 8 (32-bit and 64-bit)
  • Windows 8.1 (32-bit and 64-bit)
  • Windows 10 (32-bit and 64-bit)
  • Windows 11

It does not support Windows 2000, 95, 98, 98SE, ME, XP or Vista.

There are no Mac or Linux versions.

How safe is Auslogics Windows Slimmer?

Auslogics Windows Slimmer is designed with safety as a top priority. It uses advanced algorithms to identify and remove only unnecessary files and programs, ensuring that essential system files are never touched. Additionally, the program allows you to review the files and programs marked for removal, giving you full control over the cleanup process.

What types of junk can Windows Slimmer clean up?

Windows Slimmer can clean up various types of junk files, including temporary files, Windows update files, memory dumps, application logs, and more. The tool is designed to help you efficiently free up disk space by removing these unnecessary files, improving your system’s performance, and freeing up valuable storage.

How do I delete temporary files on Windows 10, 11, and older Windows versions?

Deleting temporary files is simple with Windows Slimmer. The program scans your system for temp files, application logs, and other unnecessary data, then offers you the option to delete them with just a few clicks. This helps keep your system clean and running efficiently.

What are software leftovers, and why should I remove them?

Software leftovers are residual files and settings that remain on your system after uninstalling a program. These can take up disk space and potentially cause conflicts or slow down your PC. Removing these leftovers ensures your system stays clean and efficient. Windows Slimmer helps you identify and remove software leftovers, contributing to a smoother and faster operating system.

Is Windows Slimmer really free?

Yes, Auslogics Windows Slimmer is absolutely free starting with version 5 and on.

Can I restore files if they were mistakenly deleted?

Yes, Auslogics Windows Slimmer includes a safety feature that creates a backup before performing any cleanup. If files were mistakenly deleted, you can easily restore them from Rescue Center, ensuring no critical files are lost during the disk cleanup process.

What noticeable improvements can I expect in system speed or storage space after a cleanup?

After using Windows Slimmer to perform disk cleanup, you can expect faster boot times and overall smoother operation.

How do I know if my computer needs a cleanup?

If your PC is running slowly, has little free storage, or takes longer than usual to load programs, it may be time for a cleanup. Auslogics Windows Slimmer can scan your system for junk files, app leftovers, and other unnecessary data, helping you efficiently clean up disk space and improve performance.

Need more information or help? Contact us!

Is Windows Slimmer enough to get my computer running at its best?

Windows Slimmer is a great solution for disk cleanup. However, you may have performance problems on your PC that are not caused by system size or junk file accumulation. These may include corrupt entries in the Windows Registry, incorrect system or network connection settings, or other speed-reducing issues.

Auslogics BoostSpeed is an easy-to-use and expert-recommended tool for PC maintenance and optimization. It lets you clean out junk files, resolve registry issues, eliminate slowdown causes, clear privacy traces to protect your confidential data and so much more. Learn more >>

Windows Slimmer comes included as part of BoostSpeed to ensure continuously fast and stable PC performance.

Auslogics is Trusted by Millions of PC Users Worldwide

James Minotto
“Next to the Waugh brothers and Shane Warne, Auslogics is the best thing ever to come out of Australia! I've been in the technology sector for over 35 years and their software is an incredible value for money, the support is excellent and I have no reservations about recommending their products. Definitely a 6 !“
See review on Trustpilot
Tom
“Don't hesitate; if you have a need for their products, buy them! I purchased BoostSpeed 12, Anti-Malware, and Driver Updater. I am very satisfied with all three products. I found them all to be a very fair price when compared to competitive products,...“
See review on Trustpilot
Holly Dawson
“Good experienced - 5 stars. I'm not a newbie when it comes to optimizers and tried quite a few. Auslogics offers probably the widest range of products from what I've seen. The ones that I tried - Driver Updater, Boost Speed and Registry Cleaner - worked perfectly on both my computers,...“
See review on Trustpilot