Page 965 - Windows 10 May 2019 Update The Missing Manual: The Book That Should Have Been in the Box
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Well, there are two situations when you might want to perform a clean
install:
When you’re working with an empty PC or hard drive—one
that doesn’t already have Windows on it. Maybe it’s a PC you built
yourself.
When you want to “nuke and pave.” Sometimes, as a
troubleshooting step, or because you feel like your PC has grown
too slow to bear, you may want to reformat your disk, wiping out
everything on it. You wind up with a fresh system, 100 percent free
of any little glitches and inconsistencies that have built up over the
years. (Of course, you’ll also have to take the time to reinstall all
your programs, reconfigure your personalized settings, recreate
your network connections, and so on.)
A clean install requires that you first make a Windows 10 installation flash
drive or DVD, as described on “Create the Flash Drive”.
The process is identical to the one described there—right up until you reach
the “Which type of installation do you want?” screen (Figure A-1, top).
