Search results: how to upgrade macos sierra

the display of battery life used on macos sierra 10.12.2 has been removed by apple. so if we want to check how much battery life is used on the device, how to do it?

if your mac has upgraded to macos sierra, don't miss out on the ultra-standard wallpaper collection on the operating system's 5k screen.

when upgrading macs to macos sierra, there are many features and tips that you don't know about. for example, when performing tricks with multiple windows of the application on