How to Use Disk Cleanup on Windows 11

Over time, your PC collects temporary files, system cache, old update files, and other unnecessary data that can take up valuable storage space. If your Windows 11 computer feels slow or your storage drive is nearly full, using Disk Cleanup can help free up space safely.

Disk Cleanup is a built-in utility that removes unnecessary system files without affecting your personal documents.

Use Disk Cleanup on Windows 11

The steps below show you how to run Disk Cleanup, remove system files, and free up storage effectively.

1. Open Disk Cleanup

First, launch the Disk Cleanup tool.

1. Press Windows + S.
2. Type Disk Cleanup.
3. Click Disk Cleanup from the search results.

You’ll be prompted to select a drive.

2. Select the Drive to Clean

Most users will clean the system drive.

1. Select Local Disk (C:) (or your Windows installation drive).
2. Click OK.
3. Wait while Windows calculates how much space can be freed.

This may take a few moments.

3. Choose Files to Delete

After scanning, you’ll see a list of file categories.

1. Check the boxes next to items you want to remove, such as:
   • Temporary files
   • Thumbnails
   • Recycle Bin
   • Temporary Internet files
2. Click OK.
3. Confirm by clicking Delete Files.

Windows will now remove the selected files.

4. Clean Up System Files (Recommended)

To free up more space, including old Windows update files:

1. Open Disk Cleanup again.
2. Select your system drive.
3. Click Clean up system files.
4. Wait for Windows to rescan the drive.
5. Select additional items such as:
   • Windows Update Cleanup
   • Previous Windows installations (if available)
6. Click OK and confirm.

This can free up several gigabytes of space.

5. Use Disk Cleanup Regularly

Running Disk Cleanup occasionally helps maintain performance.

You may want to use it when:

• Storage space is low
• After major Windows updates
• Your PC feels slower than usual

6. Enable Storage Sense for Automatic Cleanup

If you prefer automatic cleanup:

1. Open Settings.
2. Go to System > Storage.
3. Turn Storage Sense On.
4. Configure how often it runs.

This automatically removes temporary files and manages storage.

7. Restart Your PC

After cleanup:

1. Restart your PC.
2. Check available storage space.

You should notice more free space immediately.

Wrapping Up

Using Disk Cleanup on Windows 11 is one of the simplest ways to free up storage and improve system performance. By removing temporary files and outdated system data, you can reclaim valuable disk space without affecting personal files.

With regular maintenance in Microsoft Windows, your PC stays cleaner, faster, and more responsive over time.