Sway link: https://sway.com/A2RBtP8hk0cax4FL
Remember those adventure games with “save game” before something dangerous (or dinnertime!) and “restore game”?
Virtual Machines and sandboxes give you that capability for entire computers or applications! As long as you “take a snapshot” after you have the basics set up, you may instantly revert a virtual machine back to a safe state!