First time to build pc, how can I tweak this?

emangeee

Honorable
Jun 10, 2013
21
0
10,510
hello there, i just recently build my own pc
here's the specs:

cpu: AMD FX-6300 3.5GHz 6-Core Processor
mobo: ASRock 970 Pro3 R2.0 ATX AM3+ Motherboard
memory: G.Skill Sniper Series 8GB (1 x 8GB) DDR3-1600 Memory
storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive
gpu: Sapphire Radeon R9 280X 3GB Video Card
psu: EVGA 600B 600W 80+ Bronze Certified ATX Power Supply

how can I tweak my system?
for gaming and editing(3Ds/Adobe) purposes which OS is better? 7 or 8.1?

Thank you!