Opencore Offline Installer Windows |verified| -

Because you’re on Windows, you can’t simply "copy-paste" the macOS files. Use a tool like Boot Disk Utility (BDU) Format the larger partition of your USB to Mac OS Extended (Journaled) Restore the BaseSystem.dmg

Place essential drivers (Kexts) like VirtualSMC.kext and Lilu.kext into EFI/OC/Kexts , and your hardware-specific ACPI patches (SSDTs) into EFI/OC/ACPI . Why go Offline? opencore offline installer windows