Page 828 - Windows 10 May 2019 Update The Missing Manual: The Book That Should Have Been in the Box

At this point, you may be warned that other people are logged in,

or that you’ll lose your ability to rewind to an earlier Windows
version (“System Restore”).

Figure 15-7. Top: If you’ve made the proper sacrifices to the troubleshooting gods, you’ll

never have to visit this Recovery panel; it’s for times of troubleshooting only.

Middle: Choose “Keep my files” if you’re just troubleshooting. Choose “Remove
everything” if you’re planning to sell, donate, or recycle the computer, and you don’t
want to leave any trace of your own stuff on it.

Bottom: Data erasure is your friend if you intend to sell or give away your PC.