No specific info about version 16.4. Please visit the main page of Install macOS Big Sur on Mac Informer.
Great os system i love it
Makes it easy to run macOS 11 on unsupported Macs.
Create DVD from any video file on Mac easily.
Takes control of iCloud, investigates and diagnoses its problems.
macOS Sierra Patcher helps you to install macOS Sierra on unsupported computers.
Download macOS directly from Apple servers and install it on your Mac.
Great os system i love it