If you kept the retail box your laptop came in, or if you have the original purchase receipt, you can find the serial number documented there.
If you follow the methods above and see "Unavailable" or "To be filled by O.E.M." (Original Equipment Manufacturer), this is a major red flag. It usually means one of two things:
The fastest way is through your Mac's system menu.
To report a stolen device to the police or Apple. Find your Mac model name and serial number - Apple Support how to check serial number macbook pro
I can guide you to the exact page or tool you need to proceed. Find your Mac model name and serial number - Apple Support
Authorized service providers use this number to log repairs, check for active product recall programs, or verify component compatibility.
This returns a cleaner output showing only the serial number. If you kept the retail box your laptop
No. The serial number is permanently tied to the logic board of your MacBook Pro. Replacing components such as the battery, display, or keyboard does not change the serial number.
Find your Mac model name and serial number - Apple Support (IN)
Click on your from the list of linked devices to reveal a pop-up window showing its serial number and model information. Via an iPhone or iPad To report a stolen device to the police or Apple
system_profiler SPHardwareDataType | grep Serial
You can also retrieve the serial number directly from the I/O Registry:
If the device is linked to your Apple ID, you can find it from any other web browser: Sign in to account.apple.com. Click on the section in the sidebar.