Oct 22, 2013. Oct 24, 2019. This is the case with Snow Leopard - the first version of Mac OS X to come with the Mac App Store. That way of downloading Mac OS X updates and new apps was introduced with Snow Leopard and means.

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

Os X App Store

App Store For Mac Os X

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.

Os X App Store Not Showing Updates

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

Make a full back up of your Mac before upgrading.

El Capitan Os X App Store Download Free

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.

Mac Os X App Store Icon

Feb 3, 2019 11:15 PM