Updating a mac
Step Three A popup will appear warning you that you will need to restart after the download is complete.
Make sure you've saved all your work in any open applications and click the Download & Restart button.
Here's how to install mac OS High Sierra on your Mac: As we said above, we recommend that you don't jump right in and install the new software straight away though.
Microsoft Auto Update (MAU) version 3.18 and later includes the msupdate command-line tool.
This can be used to start the Office for Mac update process, in addition to reporting the current Auto Update configuration.
The next version of the Mac operating system is due to land any day now.
If you want you can jump right in and download High Sierra as soon as Apple makes the new operating system available. However, we'd advise you to hang on and let others discover if there are any issues with the new software before you install it.