Its just something that writes over a file several times with the intent of making it unrecoverable, for deleting files you don't want anyone else to ever see. Windows 10 does not have one. Windows has Cypher - Since I want to not plagiarize someone else's work, here is where I found it while searching for some GUI examples to link you, not Cypher does not have a GUI and has to be ran from the command line: https://www.techadvisor.co.uk/how-to/windows/how-securely-delete-files-in-windows-10-3675546/
If you aren't comfortable with doing it through command line here are some GUI options: