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You see these error messages when trying to update Windows 10 to Windows 11:

  • "Windows needs more space."
  • "Can't install due to low disk space."
  • "Get more space with external storage."
  • "There is not enough free space on the partition (C:)"

Why did this happen?

Your computer must have ate least 64 GB of free space to install Windows 11.

How do I fix this?

Regain Disk Space through these solutions:

Run Disk Cleanup

  1. On your keyboard, press the Windows and R keys at the same time to open the Run window.
  2. Type cleanmgr.msc, then click OK. The Disk Cleanup window should appear.
  3. Choose the C: drive, then click OK.
  4. Check the boxes for the file types that you want to delete, and then click OK.
  5. In the message that appears, click Delete files.

Uninstall Unused Apps

  1. Click the Start , then go to Settings > Apps > Apps & Features.
  2. Select the program you are no longer using, then click Uninstall.

Delete Windows Temporary Files

  1. On your keyboard, press the Windows and R keys at the same time to open the Run window.
  2. Type %temp%, then click OK. This will open the Temporary Files folder where Windows is installed.
  3. Press CTRL and A keys at the same time to select all items, then press the DELETE key.

Delete Software Temporary Files

  1. On your keyboard, press the Windows and R keys at the same time to open the Run window.
  2. Type temp, then click OK. This will open the Temporary Files folder where Windows is installed.
  3. Press CTRL and A keys at the same time to select all items, then press the DELETE key.

Need Help Upgrading?

Download Trend Micro Windows 11 Upgrade Helper - it's FREE!

You can also let our trained PROs help out.

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