Just bought this for $400 used. Has an i5-8600k, GTX 1070 and a 600W power supply. What should the first things I do/want to upgrade with a used pc like this? :
Core i5-8600K and GeForce GTX 1660 Ti build in General Tasks | Bottleneck calculation | PC Builds
Building a PC with the GTX 1060 - Logical Increments Blog