The usual way to install an operating system is to insert a DVD or CD into your computer and let the process take its course. This is fine for the initial install, but what happens if you need to re-install your operating system and find that you’ve lost the disc, or that the disc is scratched? Fortunately, you can avoid paying twice for your OS by using a USB flash drive as a backup. Doing this requires some comfort level with computers, but it isn’t overly complicated. Tips Warnings Writer Bio
