This video explains everything you need to know
Join Radio Reference and they have the files you'll need. The DSD+ software doesn't have to be installed in a Windows sense, but rather works like a portable app. Inside the DSD+ directory are two files:
Find the page for the system you wish to monitor and click on
And now download both the groups and sites files.
Append these files to the DSDPlus.groups and DSDPlus.sites files in your DSD+ directory.
Having to run two batch files to make this work? Shudder! What year is this? I created this PowerShell script to make it easier to tune around.