macOS Sierra Is Available to Download on the Mac App Store

The new macOS Sierra 10.12 is ready to download and install from the Mac App Store. Before you do the latter, please remember to backup your drive — I suggest two backups at the least. Personally, I always make sure my Time Machine has a fresh backup and I also clone my system drive with Carbon Copy Cloner. Better safe than sorry.

★ macOS Sierra →

P.S. The Dev GM 2 and final build numbers are the same — both are 16A323. The public beta GM is an older build.