How to check macOS version and build?

 

To find out which macOS version and build you have installed just follow this guide:

 

Step 1

Click Apple logo from the top bar and choose About This Mac.

How to check macOS version and build

 

 

Step 2

You will see which macOS version is installed.

 

 

Step 3

To see macOS build please click Version line. Build will be shown right after version number e.g. 18G3020.

How to check macOS version and build