How to Find and Remove Large Files on Windows

What Causes This?

Large files build up over time from downloads, videos, game installers, backups, virtual machines, and old update files that Windows doesn’t always remove automatically. Some apps also store oversized cache files or logs in hidden folders, so disk space disappears even if you don’t remember saving anything big. On smaller SSDs, just a few forgotten files can quickly fill the drive.

Common Symptoms

• Windows warns that your drive is low on storage
• File Explorer feels slow when opening folders or searching files
• Apps fail to install or update because there isn’t enough free space
• Windows updates get stuck or won’t download
• You notice unusually large folders in Downloads, Videos, or AppData

How to Fix It Manually

1. Check which drive is running out of space

   1. Press Windows + E to open File Explorer.
   2. Click This PC in the left sidebar.
   3. Look under Devices and drives to see which drive is nearly full.

2. Use Storage settings to find large file categories

   1. Press Windows + I to open Settings.
   2. Go to System > Storage.
   3. Select your main drive, usually C:.
   4. Review categories like Apps, Temporary files, Documents, Pictures, and Other to see what is using space.

3. Search for large files in File Explorer

   1. Open File Explorer and select the drive you want to scan.
   2. Click the search box in the top-right corner.
   3. Type size:>1GB and press Enter to find files larger than 1 GB.
   4. For a broader search, try size:>500MB.
   5. Switch to Details view, then sort by Size so the biggest files appear first.

4. Check the most common large-file folders

   1. Open Downloads, Videos, Desktop, and Documents.
   2. Look for old ZIP files, ISO files, installers (.exe, .msi), recorded videos, and duplicate backups.
   3. If you use editing, gaming, or virtual machine software, also check app folders for project exports, game recordings, or VM disk files.

5. Remove temporary files safely

   1. Open Settings > System > Storage.
   2. Click Temporary files.
   3. Review the list carefully.
   4. Select items like temporary files, thumbnails, DirectX shader cache, and Windows update cleanup if you don’t need them.
   5. Avoid deleting Downloads unless you’ve checked it first.
   6. Click Remove files.

6. Show hidden folders if space is still missing

   1. In File Explorer, click View > Show > Hidden items on Windows 11.
   2. Check folders like C:\Users\YourName\AppData\Local for oversized cache folders.
   3. Only delete files if you know what they belong to. If unsure, leave them alone or uninstall the related app properly.

7. Empty the Recycle Bin

   1. Right-click Recycle Bin on the desktop.
   2. Select Empty Recycle Bin.
   3. This permanently removes files you already deleted but that are still taking up disk space.

Fix It Automatically with Kudu

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