Guide to delete Windows.old folder on Windows 10

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Ngày cập nhật gần nhất: 15/7/2025

After upgrading to Windows 10 from older Windows versions, a folder named Windows.old is automatically created on the installation drive. In case of any issues with the updated Windows 10 and if you want to revert to the previous version, you can follow these steps to delete the Windows.old folder and free up additional disk space.

Note: Deleting Windows.old will not allow you to roll back to the previous Windows version. This article will guide you through the most basic steps.

Step 1: Right-click on the Windows drive (usually C) and select Properties, then click on Disk Cleanup.

Step 2: Wait a moment for it to scan, then click on Cleanup system files. Wait for it to scan again (this time takes longer).

Step 3: After the scan is complete, check as shown below.

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