Once the list has been created you can thenĬontact the developers of the apps to see if they provide 64bit updates. Use this app to discover which apps you haveĪre 32bit. 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 be warned that it does not support 32bit apps. How to upgrade to OS X El Capitan - Apple Supportīefore 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. How to upgrade to macOS High Sierra - Apple Support How to upgrade to macOS Mojave - Apple Support Your 2014 MacBook Air can upgrade to all these below read the following links. The model and year of your Mac will determine which macOS you can upgrade to, You can learn more about how to upgrade to macOS Catalina here: How to upgrade to macOS Catalina - Apple Support You can download OS X El Capitan 10.11.6 here: Download OS X El Capitan You can download macOS High Sierra 10.13.6 here: Get macOS High Sierra You can download macOS Catalina 10.15.3 here: Get macOS Catalina Be careful downloading update files from other sources.

The Mac App Store is the best, and usually only, place to download macOS updates. Download the update from the App Store.If your Mac isn't supported still, you could still upgrade to OS X El Capitan. If your Mac doesn't support macOS Catalina, it might be supported by macOS High Sierra, which requires a Mac introduced in 2009 or 2010. The latest version of macOS, macOS Catalina, is supported on any Mac introduced in 2012 or newer. Check what version of OS X or macOS your Mac supports.You'll need at least 8 to 22 GB of free storage space to upgrade to a newer version of OS X or macOS. Make sure that you have enough storage available for a software update.

Mac os 10.10.5 yosemite