To get it back after a clean wipe, you must use a specific Recovery Image from your manufacturer.
It comes "out of the box" on many new PCs. download ms mode
Most users searching for "download MS mode" actually want to know how to install apps from outside the Microsoft Store (like Chrome, Zoom, or Steam). To do this, you must "switch out" of the mode. To get it back after a clean wipe,
If you are looking to get your device into this state or need to manage how it functions, here is everything you need to know about the process. What is MS Mode? or Steam). To do this
Look under to see if "S mode" is listed next to your Edition. Switching Out of MS Mode