Get back lost drive space after the latest Windows 10 feature update

[WindowsCentral.com]

If after the Windows 10 May 2020 Update installation your device is suddenly running out of space, use these steps to get some of the storage back.
When you're upgrading to a new version of Windows 10, such as the May 2020 Update, the setup backs up the previous installation automatically as a safeguard, in the event that the upgrade fails, and the system has to revert the changes to original state, or the new version isn't working as expected, and you need to roll back to an older release.

Full story from the WindowsCentral blog...