reinstall windows 11

To avoid having to backup all your files and re-install Windows and all your apps, try each of these options.

1

Start your PC, just as Windows attempts to load (spinning dots), press and hold Power Button for 5 - 10 seconds to perform a Hard Shut Down

Do this twice

On the third start Windows will boot into the Recovery Environment and from there you can access System Repair, Safe Mode, Command Prompt... etc.

In the Recovery Environment, there is an option to uninstall the latest update, that may be the best first option.

2

If that does not resolve the problem, the next option is to perform an in-place repair with the Windows 11 ISO.

Please ensure you download the ISO in the same language as you use for the Windows UI, follow the steps, this is then not like re-installing Windows, it is just like an update and your personal files, settings and installed software will not be affected.

Click this link:

https://www.microsoft.com/software-download/windows11

to download the Windows 11 ISO

When the ISO file completes downloading

Disconnect from the Internet

Disconnect all external devices with the exception of a mouse or keyboard.

Temporarily disable any 3rd party Anti-virus you may have installed

Then, in Windows File Explorer, double click the ISO and then run Setup.exe and select the Install option.

Very Important - ensure you select the option to keep your files and apps.

To repair a broken Windows 11 desktop/taskbar and reinstall the current Windows 11 version without losing files and apps, use the built‑in “Fix problems using Windows Update” recovery option.

Steps to reinstall the current version of Windows 11 (keeps apps, files, and settings):

1. Open Recovery settings:
   • Select Start > Settings > System > Recovery
   • Or use this shortcut if Start still works: Open Recovery settings
2. Under Fix problems using Windows Update, select Reinstall now.
3. In the Fix problems using Windows Update window, choose whether to allow the PC to automatically restart 15 minutes after installation completes.
4. Select OK to start the reinstall.
5. Windows will switch to Settings > Windows Update and download a repair version of the last Windows 11 update that successfully installed on the PC. When the download finishes, it will install that repair version.
6. When the reinstall completes, restart the PC if it does not restart automatically.

This process reinstalls the same Windows 11 version, repairs system files and components, and preserves apps, files, and settings. Keep the PC plugged into power and connected to the internet for the entire process.

If Windows Update itself is too broken to start this reinstall, use the more advanced repair options from an elevated Command Prompt before trying again:

1. Restore and repair system files
   1. In the search box on the taskbar, type command prompt, then select Run as administrator.
   2. Run:

            DISM.exe /Online /Cleanup-image /Restorehealth
      

      Wait for the confirmation that the operation completed successfully.
   3. Then run:

            sfc /scannow
      

      Wait until verification reaches 100%, then close Command Prompt.
   4. Try the Reinstall now option again from Settings > System > Recovery.
2. If corruption is severe and the above fails, perform a clean installation of Windows 11 (this removes apps and may require backing up files first):
   • Go to the Windows 11 software download page and select Download tool now to get the clean installation tool, then follow the instructions there to perform a clean install.

For update‑related errors that block upgrades (for example, 0x800f081f or 0x8007041D), an in‑place repair using the Windows 11 ISO or the Reinstall now option is the recommended approach to repair system corruption while keeping files and apps.

References:

• Fix issues by reinstalling the current version of Windows
• Troubleshoot problems updating Windows
• Get help with Windows upgrade and installation errors