Finding your MacBook Pro's serial number is straightforward, whether your device is powered on or off. Method 1: Using macOS (If the Mac Turns On)
Checking the serial number on your MacBook Pro is simple, whether the computer is powered on or off. The fastest way is Apple menu at the top-left of your screen Apple Support For a Working MacBook Pro About This Mac (Easiest) : Click the Apple menu () and select About This Mac
Here are the five most effective ways to find your MacBook Pro serial number, ranging from the quickest software methods to physical inspection. 1. Check "About This Mac" (Fastest Method)
If your MacBook won't turn on, you can find the number physically:
