

If you don't want macOS Sierra to download automatically, deselect “Download newly available updates in the background” in App Store preferences.While those tasks are underway, activities such as using Spotlight or Mail might not seem as fast as they were before. It then performs some initial setup tasks in the background.

During installation, your Mac might restart several times.

If you do not need Sierra, please stay with El Capitan.įrom How to get macOS Sierra - Apple Support, Sierra will only accept new installations of Windows 10 under Sierra.Īpple cannot decide what they want to support. New Boot Camp installations require Windows 10 (sold separately). Supports existing Boot Camp installations with Windows XP Service Pack 2, Windows Vista, Windows 7, Windows 8, or Windows 10. Use Windows 10 on your Mac with Boot Camp - Apple Support 2011 Macs do not support W10 and Sierra does not support a new installation of W7/W8.1. You will need to burn a W7/W8.1 ISO to a DVD.
