I have a Mid 2012 MBP 13in with a 750gb storage. I have a lot of files and stuff I want to get rid of on my MBP. At my bestbuy there's 2 different Seagate external hard drives that I'm thinking about getting. They're both 1TB and they're both Windows (black) and Mac (silver) compatible. The only problem is that the Silver seagate says it's meant for the mac and I'm sure the black is meant for windows, but like I said they're both compatible with whatever OS. I'm a student and all of the computers at my school are windows. If I buy the silver seagate and plug it into a windows computer, will I have to download a software for the hard drive to work? With the black seagate, do I have to download a software on my MBP for the hard drive to work?