How to Delete Old Windows Folder (Windows.old) After Reset | Free 100GB Space (2026)
In this guide, I’ll show you how to safely delete the Windows.old folder after a Windows reset or upgrade and instantly free up 20GB–100GB of disk space in 2026. This tutorial covers deleting Windows.old using Disk Cleanup, Storage Sense, Settings, and Command Prompt, even if access is denied. Works on Windows 10 and Windows 11, without breaking your system or losing current data.
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