How to Update the OS software on your Mac. Mojave or later

For all MacOS upgrades follow steps 1 and 2 below. Then follow the instructions for the version of the MacOS you have.

1. Choose System Preferences from the Apple menu, then click Software Update to check for updates.
2. If any updates are available, click the Update Now button to install them. Or click More info to see details about each update and select specific updates to install.

   MacOS Mojave or Later follow this set of instructions:

   When Software Update says your Mac is up-to-date, the installed version of MacOS and all of it's apps are also up to date. That includes Safari, iTunes, Books, Messages, Mail, Calendar, Photos, and FaceTime.

   1. To find updates for iMovie, Garageband, Pages, Numbers, Keynote, and other apps that were separate downloads from the App Store, open the App Store on your Mac, then click the Updates tab.
   2. To automatically install MacOS updates in the future, including apps that were downloaded separately from the App Store, select ”Automatically keep my Mac up to date.” Your Mac will notify you when updates require a restart, so you can choose when to have the updates installed.

   MacOS updates prior to Mojave follow this set of instructions:  

   If you're using an earlier macOS, such as MacOS High Sierra, Sierra, El Capitan, or earlier,* follow the following steps to keep it up-to-date:

   2. Open the App Store on your Mac.
   2. Click Updates in the App Store toolbar.
      3. Use the Update buttons to download and install any updates listed.
      4. When the App Store shows no more updates, the installed version of MacOS and all of its apps are up-to-date. That includes Safari, iTunes, iBooks, Messages, Mail, Calendar, Photos, and FaceTime. Later versions may be available by upgrading your macOS.
      5. To automatically download updates in the future, choose Apple menu > System Preferences, click App Store, then select Download newly available updates in the background. Your Mac will notify you when updates are ready to install.

      For Latest Information regarding MacOS visit: https://support.apple.com/en-us/HT201541

      If you are unable to update your machine through these means please refer to this article to determine if your device is no longer supported by apple. https://support.apple.com/en-us/HT201624