how do I use partitions that don't have an OS? I always thought that a partition without an OS was pretty much useless, but now I'm hearing things like people using partitions just for personal files and such with no OS. I've also heard about programs called Partition Magic that allow you to resize them stuff.
The other partitions are just empty space to put whatever you want on. Windows is installed on C: to give you your primary boot drive. Think of the other spaces as empty hard drives. The other partitions will just be blank because you didn't install Windows on the other partitions, just the C: so you won't see "My Computer" in them.
*Fact: Microsoft Window's Blue Screen of Death vs Computerforums.org's White Screen of Death. Which is worse?