Opencore Offline Installer Windows
The "online" (Recovery) method is easier but will fail if your Hackintosh's Ethernet/Wi-Fi card isn't natively supported or has no driver (kext) injected.
Building a Hackintosh traditionally requires a macOS environment to prepare an OpenCore USB installer. The eliminates that dependency, allowing you to create a fully bootable, offline macOS installation USB directly from Windows. opencore offline installer windows