https://pcpartpicker.com/list/Z9s8KX

Just upgrade mine and my wife's PC and these are the spare parts from the previous builds, lightly used (she doesn't play much).

CPU: Intel Core i5-4670K 3.4 GHz Quad-Core Processor

CPU Cooler: Cooler Master 120mm/single fan Liquid CPU Cooler

Motherboard: Asus Maximus VI Hero ATX LGA1150

Memory: 16 GB (2 x 8 GB) DDR3-1600 CL11

Video Card: MSI ARMOR OC GeForce GTX 1080 8 GB

Case: Corsair Graphite Series 230T ATX Mid Tower

You'll need to buy your own power supply, ssd, and peripherals separately.