Want to build a PC, but no idea what I'd be doing. Help?
Added (1). Someday, I'd like to build a PC that'll be used mostly for Dota 2, League of Legends, Minecraft, and Source Filmmaker. I have a friend who seems to be very good with computers, but I feel like I should know more stuff as well, but right now, all I'm familiar with is graphics cards. I'd like to get a GTX 750 Ti, but I don't know what kinds of other parts I should buy, since apparently, not every computer part will fit together or whatever.
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Want to build a PC, but no idea what I'd be doing. Help?