After a recent update of my Windows 10 installation, I was left with the expected Windows.old folder containing 16 GB of old data.

It’s time to clean up.  Here are the steps I followed to make this happen.

Steps:

  1. Click in Windows’ search field, type Cleanup, then click Disk Cleanup.
  2.  Click the “Clean up system files” button.
  3. Scroll down the list until you see “Previous Windows installation(s).”
  4. Check the box next to the entry. Click OK to start the cleanup.