Jan 05, 2021 · The macOS High Sierra 10.13.6 Update adds AirPlay 2 multiroom audio support for iTunes and improves the stability and security of your Mac. This update is recommended for all users.
Nov 20, 2020 · macOS High Sierra Patcher, the successor to macOS Sierra Patcher, is an easy-to-use tool that allows anyone to install macOS High Sierra on unsupported Macs. What’s new in version 2.7.0 Updated on Nov 20 2020
Mac now works as an AirPlay speaker, so you can enjoy high-fidelity sound when you play music or podcasts from another device. It can even function as a secondary speaker to create multiroom audio. Superpowers for getting things done.
Jan 04, 2018 · Reboot mac and use Command + R key to enter recovery mode. Disable Daemon, Agent and Phone home. In recovery tools choose Terminal from the Utilities menu; Do following command csrutil disable; Reboot and go again to recovery mode with Command + R key. Use Disk utility to mount main Mac disk, if it is not mounted. Close Disk utility