Windows 10 Pro HD 5450 graphic card, AMD A6-7400 Radeon R5. 6 Compute Cores 2C 4G 4.09 GHz, 64-bit Operating System, x64-based processor, 8.00 GB (6.94 GB usable) What would be a good next step up? CPU upgrade, Graphic card upgrade, and can I put DD4 into the board that now has DD3? Not looking to spend anymore than I have to. I don't have to have the best on the market just a little better than now. Thnks!