Finding Serial Numbers
Serial numbers are usually printed on stickers or etched into some devices, but if the sticker is removed or worn then you will need to find the number on your device. This article will list how to find serial numbers on a variety of devices.
On Mac computers it will resemble:
For iMac desktop computers the stick will often times be located either on the computer’s stand (it may be on the underside of the stand) or the back of the computer itself. For Mac laptops the sticker will most likely be located on the underside of the device.
NOTE: The first step for a majority of this would be to check the exterior of your device and locate the serial number. If you can not find it refer to the instructions below.
To locate the Macbook’s serial from the desktop:
You can use System Information to find info about your Macbook. The System Information app also shows your Mac model and serial number. Open the app, then select Hardware on the left side of the System Information window. The model name and serial number appear on the right: