Press Win + R, type msconfig and press Enter.
Go to the Boot tab.
Select the entry for Windows 11.
Click Delete to remove it.
Click Apply and then OK.
Restart
Open File Explorer.
Navigate to the C:
Look for a folder named Windows.old
Right-click the Windows.old folder and select Delete.
Clean up system files +Previous Windows installation(s) via Disk Cleanup
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Run Windows Update Troubleshooter
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Open Command Prompt as Admin and type :
sfc /scannow and hit the Enter key
DISM /Online /Cleanup-Image /RestoreHealth and hit the Enter key.
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If all the above steps fail:
- Go to the Microsoft Windows 10 download page and download the ISO file.
- Use the Media Creation Tool to create a bootable USB drive or DVD.
- Boot from the installation media.
- Select
Repair your computer
. - Follow the on-screen instructions to repair your Windows 10 installation.