Steps to Find Mac 32 Digit System Id:

• The System Information app gives you full specs and other details about your Mac's hardware and software, as well as your network and external devices. This software is known as System Profiler in some versions of OS X.
• Select About This Mac from the Apple menu. This displays a summary of your Mac, including its model, CPU, RAM, serial number, and macOS version. Click the System Report button to get the System Information app's more detailed information.
• Press and hold the Option key while selecting Apple menu > System Information from the Apple menu. You may also access System Information from the Utilities section of your Applications folder, or via Spotlight.

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