how do I update Sierra to 10.13
I need to update to Sierra 10.13
iMac 27", macOS 10.12
Apple’s Worldwide Developers Conference to kick off June 10 at 10 a.m. PDT with Keynote address
The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.
The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.
I need to update to Sierra 10.13
iMac 27", macOS 10.12
Thank you.
how do I update Sierra to 10.13