What can I do to get all 8 GB of my ram usable?

Hejasaurus

Honorable
Nov 22, 2013
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10,530
Specs:
CPU: AMD Athlon x4 860k
GPU:R9 280
MB: A88XM-A
OS: Windows 7 Ultimate 32x
RAM: G. Skill 1600 mhz 8GB

What can I buy to make my computer able to support 64x, and use all of my RAM? At the moment, it can only use 1/2 of it.
 

Hejasaurus

Honorable
Nov 22, 2013
28
0
10,530


Are you sure? it says I have a x86 based system