The simplest way of doing that is by creating a system image.
It’s called KB3035583, and it sneaks its way onto your machine as a ‘recommended update’.
It’s actually the updater through which Windows 10 downloads and installs.
You can always restart and try again if you miss it too.
Once you get it right, instructions should appear on screen telling you just what to do.
Once reinstalled you can then restore all your data by using that system image you created earlier. Solution 2 – Factory restore Alternatively, your computer or laptop may come with a factory restore ability.