Go to the Download OS section and click on the OS you want to install.īefore upgrading make a full back up of your Mac.Ĭheck that third party apps you use have updates available for the new OS.Ĭheck that your printers/ scanners etc have updated drivers and software available for the new OS.Ĭonnect your mac to your router via cable rather than rely on WiFi.ĭo not use your mac while it is downloadingĪnd do not use any other devices that share the same internet connection. How to get old versions of macOS – Apple Support I would recommend you upgrade to macOS High Sierra 10.13 first. Where did your friend get this mac was it from a trusted source, something does not seem right.Īs this mac can upgrade to the newer OS's like macOS Mojave 10.14 and macOS Catalina 10.15, Has your friend checked the App Store Updates page to see if there is an update for Safari there. Safari gets automatically upgraded to the version correct for the OS. Why the version is still 5.1.7, that version of Safari is for a much older OS X. The version of Safari for Mac OS X El Capitan should be 9.1.2, so I wonder
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