So about half an hour ago I decided to try out Ubuntu and in the process of doing so, my hard drive got wiped. My Windows 8 installation, and all the files with it are gone. Since my laptop came preinstalled with Windows 8, I don't have a disk or anything to use to install it again. I guess I'll have to install all of my things again, but first, I just want to know how to get Windows 8 back(will the serial number on the bottom of my laptop work?) so I can get back to an OS I'm familiar with. Any explanations would be great. Please don't be too technical though.