If you already have Visionary Render installed but do not have a license you can run the software and will be presented with the pop up below:
If you do not have Visionary Render installed you can find this from the Command Prompt. Firstly press Windows Key + R and in the Run menu type 'cmd' and press Enter.
On the Command Prompt type 'ipconfig -all' and press Enter. This will bring up a list of adapters, look for your Ethernet Adapter, listed on that should be a Physical Address and will have a format of 'XX-XX-XX-XX-XX-XX'.