You can clear your Recent Files in Windows 10 by going into your "Change folder and search options" menu.

To hide (or unhide) the Recycle Bin in Windows 10, you'll need to open your computer's "Personalization" menu.

If you need to troubleshoot Windows 10, improve system performance, or just want to clear up some disk space, clear your cache.

Open the Disk Cleanup tool. For your information, Disk Cleanup tool helps you delete various things, including temporary internet files, temporary files, thumbnails, clear Recycle Bin, DirectX Shared ...