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To check your Mac's model date version go to Apple menu > About This Mac > Overview tab if necessary > check the details after the Model Name e.g. "MacBook Pro" (this can only be checked with OS X 10.7 or later)Ī.

To check your Mac's "Model Name" go to Apple menu > About This Mac > Overview tab if necessary > check for the computer name in the top line e.g. You can check "Processor", "Memory" and macOS/OS X/Mac OS X "Version" by going to Apple menu > About This Mac > Overview tab if necessary (hint - clicking on the version number will give you the "build" number).Ī. How can I check what specifications my computer has or graphics capability it has? Q. NOTE: All Xserve models are now unsupported. Apple has officially confirmed that the following Macs are compatible with Sierra:

Option 3: Download the Sierra installer on one computer (at ~5GB in size) and create an external installation device to boot and use on each computer that you want to install Sierra on.Ī. Option 2: Download the Sierra installer on one computer (at ~5GB in size), quit the installer and copy the installer to each computer's Applications folder that you want to install Sierra on.Ī. Option 1: Download Sierra individually on each computer at ~5GB in size each time.Ī. How do I install Sierra on multiple computers?Ī. Mac App StoreĪuthorisations are unlimited whereas the iTunes authorisation limit is 10. NOTE: Mac App Store authorisations (for consumers) are different to iTunes authorisations. The iTunes / App Store accounts to authorise each computer in the family/household/business in turn toĭownload and install Sierra (in the App Store application click on the "Purchases" tab). You can have more than one iTunes / App Store authorisation on a single machine. Do I have to download Sierra multiple times?Ī.

In our family/household/business the different Macs have different iTunes / App Store accounts on It is a FREE download via Apple's website. It is still available to download from Apple - do not download installers from anywhere else! Sierra was released on the 20th September 2016. MacOS 10.12 Sierra Frequently Asked Questions FAQ Article ID = 160Īrticle Title = macOS 10.12 Sierra Frequently Asked Questions FAQįrequently Asked Questions about macOS 10.12 Sierra macOS 10.12 Sierra Frequently Asked Questions Q.