Apple System Profiler: How to Find a Computer‘s Serial Number

To find a computer's serial number with Apple System Profiler 3.0 or later:

1. Open Apple System Profiler.
2. Click the System Profile tab, if you don't already see it.
3. Click the disclosure triangle next to "Hardware overview" to reveal the computer's serial number. See Figure 1.

Figure 1 Apple System Profiler 3.0 window

To find a computer's serial number with Apple System Profiler 2.6.1:

1. Open Apple System Profiler.
2. Click the System Profile tab, if you don't already see it.

The computer's serial number is located directly below the System Profile and Devices and Volumes tabs. See Figure 2.



Figure 2 Apple System Profiler 2.6.1 window

To find a computer's serial number with Apple System Profiler 2.6 or earlier:

1. Open Apple System Profiler.
2. Click the System Profile tab, if you don't already see it.
3. Click the disclosure triangle next to "Production information" to reveal the computer's serial number. See Figure 3.

Figure 3 Apple System Profiler 2.6 window