You may refer to the "About This Mac" dialog under the Apple Menu to determine the version of MacOS installed on your computer.

To determine the version of MacOS you are using, do the following:

1. Click the Apple logo in the upper left corner of the screen to open the Apple Menu .
2. Select About This Mac.
3. The version of MacOS in use is displayed. (Figure 1).
   3a. If you do not see information similar to the image below, make sure you have the Overview tab selected.
   
   Figure 1:
   
   

How to Get Help

• Technical assistance is available through the Technology Support Center at (309) 438-4357, by email at SupportCenter@IllinoisState.edu, or by Live Chat at Help.IllinoisState.edu.