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Returns the Mac Serial number.

Component Version macOS Windows Linux Server iOS SDK
SystemInfo 1.5 ✅ Yes ❌ No ❌ No ✅ Yes, on macOS ❌ No
MBS( "SystemInfo.MacSerialNumber" )




Returns the Mac Serial number.
This is a unique ID for each Mac. You can see this number by choosing "About this Mac" from the Apple menu, and then selecting more information.


Check for serial number:

Show Custom Dialog [ "Mac SerialNumber?" ; MBS( "SystemInfo.MacSerialNumber" ) ]

This function is free to use.

Created 18th August 2014, last changed 28th January 2023

SystemInfo.MacROMBootVersion - SystemInfo.MacSystemDarkMode