How do I clear all cache and junk from Windows 11?

How to clear cache and junk in Windows 11: 4 Quick Methods

Proper system maintenance involves removing accumulated temporary data to improve overall device performance. Users frequently experience slower speeds and storage shortages when junk files remain. Understanding the most effective methods to how to clear cache and junk in windows 11 ensures your operating system operates efficiently without compromising important data or causing unexpected software errors.

How to clear all cache and junk from Windows 11 effectively

Clearing junk files from Windows 11 can be approached in several ways depending on whether you want a quick fix or a deep system purge. This process usually involves a combination of automated tools like Storage Sense and manual intervention in hidden system folders. Because Windows 11 handles files differently based on their origin, there is rarely a single button that deletes everything at once.

Many users try to manually clean their system by deleting random folders, but this can sometimes remove files tied to drivers or active applications. Modern Windows 11 cleanup tools are much safer and more effective for routine maintenance. Running a full cleanup every few weeks can often recover several gigabytes of storage and help the system run more smoothly.

Method 1: Using Storage Sense for Automatic Maintenance

Storage Sense is the modern successor to traditional cleanup utilities, acting as a background housekeeper for your operating system. It identifies files that havent been opened in a set period and removes them automatically to prevent your drive from filling up. In my experience, this is the safest way for beginners to maintain their PC without risking critical system stability.

Systems with regular storage maintenance often maintain faster search indexing and smoother file management because Windows has fewer unnecessary temporary files to process.^[1] To activate Storage Sense, go to Settings > System > Storage and turn the feature On. You can also customize how often it runs depending on how heavily you use your device.

Method 2: Deep Cleaning with Disk Cleanup

Disk Cleanup is a legacy tool that remains incredibly powerful, especially for removing old Windows Update files. These files, often found in the WinSxS folder, can occupy a massive amount of space. While Storage Sense covers the basics, Disk Cleanup is where you go for a deep purge.

To get the most out of this, you must run it as an administrator. Search for Disk Cleanup in the Start menu, right-click it, and select Run as administrator. Once the drive is scanned, click on Clean up system files. Ive seen this specific step free up over 20 GB of space on machines that havent been cleaned after a major Windows 11 version update. It targets the Windows Update Cleanup, which often holds onto outdated system components for safety but is rarely needed after a week of stable operation.

Before removing Windows Update Cleanup files, make sure you no longer need the option to roll back to a previous Windows version. Once these recovery files are deleted, reverting to an earlier build may no longer be possible.

Manual Temp File Removal via the %temp% Command

Sometimes the automated tools miss specific application caches. You can find these by pressing Windows + R, typing %temp%, and hitting Enter. This opens the local folder where apps store their temporary data. You can safely delete everything here. If a window pops up saying a file is in use, just skip it. This is normal behavior - it simply means an app youre currently using needs that file.

Clearing Special Caches: Store, DNS, and Prefetch

Junk isnt just large files; its also stale data in your network and app store buffers. If your Microsoft Store is behaving sluggishly or apps wont update, clearing the store cache is the first logical step. Press Windows + R, type wsreset.exe, and wait. A black box will appear for about 30 seconds and then disappear. It feels like nothing happened, but the cache is cleared.

Network-related cache problems can sometimes prevent websites from loading correctly even when the internet connection is working. Open Terminal as administrator and run ipconfig /flushdns to clear dns cache windows 11 terminal and refresh stored network address information.

Then theres the Prefetch folder. Conventional wisdom says delete prefetch to speed up boot times. But heres the thing: Prefetch actually helps your apps load faster by learning your behavior. If you delete it, your next few app launches will actually be slower. I only recommend clearing Prefetch if youre troubleshooting a specific software error. Otherwise, leave it alone - the system manages it better than we do.

The Modern Solution: Microsoft PC Manager

If navigating through Run commands and hidden folders feels like a chore, Microsoft recently released a centralized tool called PC Manager. It brings these disparate cleanup functions into a single, clean interface. Ill be honest: I was skeptical when it first came out. I thought it was just another piece of bloatware. But after using it on three different machines, Ive changed my mind. Its essentially a one-click Boost button.

The app also displays memory usage and temporary system files in a centralized dashboard. For devices with limited RAM or storage space, tools like microsoft pc manager windows 11 guide can simplify routine maintenance by combining cleanup and performance features into a single interface.^[3]

Storage Sense vs. Disk Cleanup

Storage Sense (Recommended for Daily Use)

Runs automatically in the background based on a schedule

Set it and forget it; very user-friendly

App temporary files, Recycle Bin, and old downloads

Disk Cleanup (For Deep Cleaning)

Must be launched manually by the user

Requires admin rights for best results; slightly technical interface

System-level files like Windows Update logs and delivery optimization

John's Quest for Storage: From Red Bar to Blue

John, a freelance video editor in New York City, noticed his C: drive turned red with only 2 GB left. He was frustrated because he couldn't even export a small project without his PC crashing.

First attempt: He manually deleted some photos and documents, but only gained 500 MB. He then tried a third-party 'cleaner' that ended up installing more junk, making his PC sluggish.

After a bit of research, he realized he hadn't cleaned his system files in years. He ran Disk Cleanup as an admin and found 28 GB of old Windows Update files hiding in the background.

By purging those system files and enabling Storage Sense, John reclaimed 30 GB in total. His PC stopped crashing, and he learned that the most effective cleaning tools were already inside Windows all along.