Hey guys, I just have a question about starting up a new computer. Ive watched videos on how to build a computer and everything and im just waiting on my motherboard to come in. I have watched a few videos on how to start up computers and download everything to make it run correctly but one thought has gone through my mind. Usually when they start up pc's, the enter a harddrive with windows on it so it runs off of windows:however, I can get windows 10 for free because I am a college student. Can I wait to download windows 10 through the internet or do i need that harddrive with windows on it to make it run properly? If you have any questions regarding how i explained it or to get a better understand it, feel free to ask. Thanks!