If you have a High Sierra installer .dmg instead of the app:
Installing macOS High Sierra on a PC using this method typically involves several stages: hackintosh zone high sierra installer.dmg
Before booting, you must adjust your motherboard settings to allow macOS to run: Load Optimized Defaults : Start with the factory standard settings. : Secure Boot, SerialPort, VT-d, and CFG-Lock. : XHCI Handoff. : Set to "Other OS" rather than Windows. Step 3: Installation Process Boot from USB If you have a High Sierra installer
Includes specific kernel patches to allow macOS to run on AMD CPUs, which are not natively supported by standard macOS installers. hackintosh zone high sierra installer.dmg