Sometimes on WIndows 10, the Protocol3 Ethernet Setup tool will give an error that says something like Net 2.0 is required.
For Windows 10, the .NET 2.0 needs to be enabled.
See link below.
https://docs.microsoft.com/en-us/dotnet/framework/install/dotnet-35-windows-10
After .NET 2.0 is enabled, the Ethernet Setup tool should run.