Windows 8 and 8.1 is absolute baloney. It is designed for tablet and touch, and the performance is terrible for PC. If you are going to update, I would say upgrade to Windows 10. But I see why you stuck with Windows 7. There are many reasons to stay with 7, but if you aren't a "stickler" on how your PC runs, Windows 10 is good, but I think it will be slow with 2G of ram, and your processer.