

Question from Microsoft Community Does reinstalling Windows delete files? My question is, if I reinstall Windows 10, will it delete the data on my laptop or do I have to back it all up into a hard drive? I don't recall where I put my CD, but I have my product key. I have an issue with my laptop and I was told to resolve that issue, I'd need to reinstall Windows 10. Sign in with your credentials to get to your desktop.Can I just reinstall Windows 10 without losing files? Depending on the options you set, it will keep all your files, apps, and user accounts.

Double-click your ISO file, or insert your USB drive, and click on the setup.exe file.Disable or suspend BitLocker for your system drive if you have it encrypted.You shouldn't disable the built-in Windows Defender app. Disable your antivirus software if you are using a third-party solution.Repair Install Windows 11 with In-place Upgrade This post will show you how to perform a repair install of Windows 11 by doing an in-place upgrade without losing your data. Your installation media should support the same language as the OS you want to repair.with the same edition, version and build number (or higher) of the OS. You need a bootable media or an ISO file.

you can repair install Windows 11 from a running Window 11 instance.

You can only perform Windows 11 In-place Upgrade from within the running OS.Before proceeding, you need to know the following.
