How to check Mac, iMac, Mini or MacBook for MacOS Updates

It is vitally important to keep Apple’s Mac, iMac and Macbook Operating System (OSx) and Apps updated to avoid security and compatibility issues with Apple Devices and Apple computers.

How to determine the current operating system for your Apple device

Backup before Updating

Updates can corrupt your data so it is vital you backup your data before attempting any upgrade. See the following guides.

How to check for MacOS/OSx updates – using “About This Mac” or “System Preferences”

  1. About This Mac
  2. System Preferences

1. About This Mac

The easiest one by far is by clicking on the black Apple icon in the top left of any Mac and then selecting “About This Mac




This will take you to the “App Store” where available updates (if any) will be shown to you.

2. System Preferences

Or by going through “System Preferences”


And selecting “App Store


App Store – Checks for available Updates

If there are NO updates available, you will be greeted my a similar message as below:


If updates ARE AVAILABLE, you will encounter a message like the following, which may give you the choice of installing a major update such as Mojave or El Capitan, Sierra or High Sierra


Or you may be offered updates to individual programs such as Safari or Mail or in this case “the Unarchiver


It is very important to keep Apple’s Operating System (OSx) and Apps updated to avoid security and compatibilities with iPhones and iPads.


If you need assistance in checking the above and performing the updates, give us a call on 08 6365 5603 and make an appointment to come and see us. Prices for our Mac OS health-check and backup service for Apple devices starts at $39 for a 15 minute session.


Need more help?

If you live in Western Australia, and you need any kind of computer help, please bring your computer to us at 315 Rokeby Road, Subiaco, Western Australia or call us out. You can contact us here or call:

08 6118 2601 
Alternatively click on the Green “Support” button in the bottom right hand corner of the screen and leave a message.Microsoft Silver Certified Partner - Small and Midmarket Cloud SolutionsFor instant remote control support download and install our TeamViewer remote control software By Clicking Here and following the instructions found on this page


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