Troubleshoot problems updating Windows
Restart your PC: Restart your PC to ensure no other applications are blocking the update process.
Run the Windows Update troubleshooter:
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Select Start > Settings > Update & Security.
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From the left-hand menu, select Troubleshoot, then click on Additional troubleshooters.
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Under the Get up and running section and select Windows Update and click Run the troubleshooter.
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Follow the on-screen instructions to complete the process.
Check Disk space: Make sure that your device has enough space. Your device requires at least 16 GB of free space to upgrade a 32-bit OS, or 20 GB for a 64-bit OS. If your device has a small hard drive, you may need to insert a USB drive to update it.
If your PC is running low on storage, try the techniques at Free up drive space in Windows.
