Enable virtualized VT-x/AMD-V virtualization extensions.
Unofficial builds often omit critical system updates or modify kexts (kernel extensions), leading to frequent crashes. macos high sierra 10136iso
hdiutil attach /tmp/HighSierra.dmg -noverify -mountpoint /Volumes/HighSierra Use code with caution. 3. Flash the Installer Files Enable virtualized VT-x/AMD-V virtualization extensions
Mount the newly created blank disk image to your filesystem: macos high sierra 10136iso
Open from the Utilities menu in the top bar of the installer screen.