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The App Store only shows updates for the OS you are using at the moment, in your case Yosemite 10.10.5.

If you want to go to another newer OS that is called an upgrade. This can be done through the App Store using the following link.

High Sierra is the last/ newest OS your Mac can use. Scroll down to Section 4 and click on Get macOS High Sierra.

The new OS from Mac is here in OS X El Capitan. Apple’s 12th OS release is the OS X El Capitan.Named after a rock formation in the Yosemite National Park, USA, OS X El Capitan continues and focuses on stability, performance and security in which OS X Yosemite started. With this new OS, you can enjoy multitasking in full screen with Split View, control your desktop without overlapping with.

Make a full back up of your Mac before upgrading.

Check to see with the developers of any third party apps you use that there are updates available so they will continue to work in the new OS. Another thing you need to check is if any printers/ scanners etc you use have updated drivers and software so they too can continue to function in the new OS.

Feb 3, 2019 11:15 PM

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