This may or not apply to you but the first paragraph lists OS versions with full support for your computer, including HEVC, some type of video acceleration. If they are providing 64bit updates or alternatives.īelow are OS compatibilities for 2015 11" MBAir (base processor).
Use this app to discover which apps you haveĪre 32bit, then contact the developers of the software to see
Some updates may be free, some may be paid. Your Mac is probably running 32bit apps and these will need to be updated to 64bit apps, If you are considering upgrading to Catalina or Big Sur be warned they do not support 32bit apps. Restart, click on the link again, the App Store should say ‘Get' or 'Download'. Go to the Applications folder locate Install macOS ******.app. If the App Store says ‘Open’ then it is detecting a previous download of the install app This will direct you to the App Store High Sierra download page it should say Get or Download.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. Go to Download OS and click on macOS High Sierra.
#MAC UPDATE OS X EL CAPITAN HOW TO#
To upgrade to High Sierra click here, How to get old versions of macOS – Apple Support To macOS High Sierra first and then Big Sur. Please read this article, How to upgrade to macOS Big Sur - Apple SupportĪlthough it is possible to upgrade directly to Big Sur I would recommend upgrading Open your Safari browser and click on the links below. So you are going to offload a lot of files and folders you do not need on a daily basis to an external disk. In order to upgrade to macOS Big Sur you need to have at least 45.5GBs of free space.
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