Building a Custom Gaming Desktop PC (Part 1 of 3)

GenXPCGamerGuy builds a Gaming Desktop Computer for a friend. This is Part 1 of 3 and we go as far as first boot.
Gaming Machine Pieces/Parts:
- Phanteks Eclipse P400 Steel ATX Mid Tower
- ASUS ROG Maximus XII Hero Z490 (WiFI) Gaming Motherboard
- EVGA SuperNOVA 850 G2, 80+ GOLD 850W Power Supply
- 10th Gen Intel Core i9-10850k Desktop Processor w/10 Cores
- Vetroo L5 White Low Profile CPU Air Cooler (First Attempt)
- Cooler Master Hyper 212 RGB Black Universal CPU Cooler
- 1 Samsung 980 EVO Plus SSD 512Gb - M.2 NVMe
- 2 Samsung 970 EVO Plus SSD 1TB - M.2 NVMe
- 4 G.Skill Ripjaws V Series 8GB 288-Pin SDRAM
- 2 EVGA GeForce GTX 1070 FTW GAMING ACX 3.0 Graphics Card
- EVGA PowerLink
- Windows 10 Home Edition