In the magnifying glass (search in windows) of Windows 10: %appdata% and %programdata% or manually type it in the windows explorer adress bar.
But it should be working fine if you directly installed it on another drive.
You might accidently dragged the content into the bin or slightly touched the del key on a mechanical keyboard?? I’m pretty sure they don’t put themselfs in the bin. Unintended stuff just happens when trying to find a logical way of arranging your files.