Disk Cleanup is another utility that is accessible regardless of your Windows version. The easiest way to open it is to search for "Disk Cleanup" in the search bar and bring up the window.
You can hide desktop icons using a Terminal command, and use the same command to create a Shortcuts workflow that toggles the desktop on and off. You can automatically delete old files from the ...
I tend to download stuff and work on my desktop by default. So like most people, my desktop (and even the downloads folder) is almost always a mess with just random icons, files and folders everywhere ...