The System ID uniquely identifies a particular computer. On Fusion V4, this is the first 8 digits of the 12-digit Fusion serial number. This can be found by going to the "About Digital Fusion" box – it is the number below the build date. On Fusion 5 the System ID is the MAC address of the Ethernet adapter.To find this, go to: Start->Programs->Accessories->Command Prompt. In the window type: ipconfig/all. The Ethernet adapter physical address will be given in the form: xx:yy:zz:aa:bb:cc.

If Monsters plug-ins are already installed, you can also go to: Start->Programs->SpeedSix->License ID to display the MAC address.