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? :
i5+2060 or i7+1660 Ti For Gaming Laptop? - Jarrod's Tech
What are the best Intel CPUs for GTX 1660 Ti (no bottleneck)? - Quora
GTX 1660 Ti Fortnite Battle Royale benchmark with Intel Core i5-8600K @ 3.60GHz at Ultra Quality ? 1080p, 1440p, Ultrawide, 4K Performance Benchmarks - GPUCheck United States / USA