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Helpful answers
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Oct 18, 2016 6:19 AM in response to robertstpby QuickTimeKirk,Apple has removed El Capitan from the App Store.
Use it to download 10.12 Sierra.
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Oct 18, 2016 6:30 AM in response to robertstpby Niel,Back up your data, click here, and read the entire page. Mac OS X 10.7 and newer don't support PowerPC software such as Microsoft Office 2004; some other installed software may also be incompatible.
QuickTimeKirk: Robert’s Mac isn’t compatible with Sierra.
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