1)Use the Windows USB/DVD download tool to get a fresh iso form Microsoft, stick it n usb or dvd, 2) boot off whatever you created before 3) Skip putting in a key for now 4) when windows asks for it, ...
Sometimes when you plug a USB drive into your PC it doesn't show up. We're going to look at a few ways to fix that problem.
If you need to troubleshoot Windows 10, improve system performance, or just want to clear up some disk space, clear your cache.