This is essential if you want a fast and effortless update and glitchless work of your new macOS. In front of the multi-coloured bar, you will see the phrase, "X.XX GB free out of XX.XX GB." If you don't have at least 8 GB of free space, you should delete some old files.īefore you update macOS, don’t forget to: In the same About this Mac, menu select the "Storage" tab. Cool, eh?ĭisk space: 8 GB of free space on the drive. Sierra is pretty lightweight, so you only need 2 GB of RAM to upgrade. Click the Apple icon in the top left corner.
Here’s how to find out which OS version you’re running now: Check your macOS for Sierra compatibility
If your current operating system is OS X Lion (10.7), you can skip a few versions and upgrade directly to macOS High Sierra. To upgrade to Sierra from, say, Mavericks, you’ll have to consequently upgrade to Yosemite and then to El Capitan first. Here are the models of Macs that are compatible with macOS 10.12 and can upgrade to Sierra:ĭoes order matter when you upgrade macOS? If you're using a Mac notebook computer, plug it into AC power.How to upgrade macOS: Sierra 10.12 compatibility listĪs with the previous versions, macOS Sierra is available for a limited list of Mac models. It takes time to download and install macOS, so make sure that you have a reliable Internet connection. Time Machine makes it simple, and other backup methods are also available.
If your Mac isn't compatible with macOS Sierra, the installer will let you know.īefore installing any upgrade, it’s a good idea to back up your Mac.
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple () menu. MacBook Pro introduced in mid 2010 or later MacBook Air introduced in late 2010 or later Your Mac also needs at least 2GB of memory and 8.8GB of available storage space. You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models.
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