You can clear your Recent Files in Windows 10 by going into your "Change folder and search options" menu.
Update on May 5, 2025: According to a Windows 10 support page (spotted by Windows Latest), the removal of “recent files” app jump lists in Windows 10’s Start menu was confirmed to be a bug caused by ...
In the past few months, I've tried a lot of file managers on both Windows and macOS, and it's made me realize how ineffective and insufficient the solutions provided by Microsoft and Apple can be.