I have an older iMac running Yosemite. I don't see any possibility to update - when I go to the app store it says no updates available
iMac 27″, OS X 10.10
macOS upgrades might not appear in the Updates tab in the App Store.
If your iMac was introduced before late 2009, you can download OS X El Capitan here: How to upgrade to OS X El Capitan - Apple Support
If your iMac was introduced before 2012, you can download macOS High Sierra here: Get macOS High Sierra
If your iMac is supported, you can download the latest version of macOS, macOS Catalina here: Get macOS Catalina
macOS upgrades might not appear in the Updates tab in the App Store.
If your iMac was introduced before late 2009, you can download OS X El Capitan here: How to upgrade to OS X El Capitan - Apple Support
If your iMac was introduced before 2012, you can download macOS High Sierra here: Get macOS High Sierra
If your iMac is supported, you can download the latest version of macOS, macOS Catalina here: Get macOS Catalina
I have an older iMac running Yosemite. I don't see any possibility to update - when I go to the app store it says no updates available
