hackintosh zone high sierra installer.dmg (often associated with "Niresh") is a modified distribution of macOS 10.13 designed to install on non-Apple hardware. Key Findings What it is:

High Sierra introduced APFS (Apple File System) and is extremely stable on older Intel Core i3/i5/i7 builds.

Download the specific NVIDIA Web Drivers for your High Sierra build number (e.g., 17G66). A Note on Modern Alternatives