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Mac 101: Finding your Mac's UUID

Most Apple owners are familiar with the UDID, aka serial number, for their iOS device, but did you know that your Mac has a similar hardware UUID too? In this post, I will show you where to find it, so you can use it in beta testing.

If you ever volunteer to test a beta Mac app, you will likely need to provide the developer with this hardware UUID. This alphanumeric value is used by the developer to provision an Adhoc version of the software specifically for your Mac. Finding your UUID is not too difficult once you figure out where it is located in OS X.

Mac 101 Finding your Mac's UDID

To find you UUID, you must start with the Apple icon in the top left corner of your Mac menu bar. Click on the Apple and then select "About This Mac," as shown above.

Mac 101 Finding your Mac's UDID

This will pull up the basic details about your Mac hardware, including its processor, memory and startup disk. Click on "More Info..." to view the detailed system information.

Mac 101 Finding your Mac's UDID

This system information box provides additional details on your Mac, but you have to dig one step further to find your UUID. Click on "System Report" button, highlighted above in blue, and then "Hardware" at the top of the screen. Look in the right-hand pane and you will find your hardware UUID towards the bottom of the list as shown below.

Mac 101 Finding your Mac's UDID

Once you locate the UUID, you can select it and copy it to the clipboard.

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