Having trouble installing High Sierra on my PC. Tried twice already.

First off, here's my build: PCPartPicker part list / Price breakdown by merchant

TypeItemPrice
CPUIntel - Core i5-4590 3.3GHz Quad-Core ProcessorPurchased For $179.99
MotherboardASRock - H97 Anniversary ATX LGA1150 MotherboardPurchased For $59.99
MemoryG.Skill - Ripjaws Series 8GB (2 x 4GB) DDR3-1600 MemoryPurchased For $29.99
MemoryG.Skill - Ripjaws Series 8GB (2 x 4GB) DDR3-1600 MemoryPurchased For $29.99
StorageSamsung - 850 EVO-Series 250GB 2.5" Solid State DrivePurchased For $77.99
StorageSamsung - 860 Evo 500GB 2.5" Solid State DrivePurchased For $143.89
StorageSeagate - Barracuda 1TB 3.5" 7200RPM Internal Hard DrivePurchased For $47.18
Video CardVisionTek - Radeon RX 480 8GB Video CardPurchased For $216.29
CaseFractal Design - Define R4 w/Window (Titanium Grey) ATX Mid Tower CasePurchased For $79.99
Power SupplyEVGA - SuperNOVA NEX 650W 80+ Gold Certified Fully-Modular ATX Power SupplyPurchased For $74.88
Operating SystemMicrosoft - Windows 10 Home OEM 64-bitPurchased For $107.99
MonitorAcer - H236HLbid 23.0" 1920x1080 60Hz MonitorPurchased For $149.99
KeyboardCorsair - STRAFE Wired Gaming KeyboardPurchased For $95.12
MouseRazer - Ouroboros Wireless Laser MousePurchased For $0.00
HeadphonesCorsair - VOID Special Edition Yellowjacket 7.1 Channel HeadsetPurchased For $97.41
OtherEarise AL-101Purchased For $9.89
OtherAcer KG240APurchased For $167.09
Prices include shipping, taxes, rebates, and discounts
Total$1567.67
Generated by PCPartPicker 2018-04-08 13:24 EDT-0400

I'm having a couple problems. When I follow the guide here,

https://www.tonymacx86.com/threads/unibeast-install-macos-high-sierra-on-any-supported-intel-based-pc.235474/

my USB won't boot the macOS system when loading Clover. I also followed some other guides that did make a successful macOS boot from the USB and I managed to install macOS on the SSD. However, I couldn't connect the system to the internet (I've only got the PC connected via Ethernet). Another issue was trying to boot my Windows system from the Clover UEFI. When I tried, it would just take me to a black screen with a white box and a question mark in the middle. I have Windows on one SSD, and am trying to run macOS on my other SSD.

submitted by /u/EncoreBlade
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