These are links to the manual here on this site:
Setup & Configuration - HRD Alert
Setup & Configuration - HRD Alert Multicasting
Here's a video on our YouTube channel that demonstrates how to configure WSJT-X, HRD Alert, Grid Tracker, and JTAlert when they're being used together:
Here's a video demonstration of HRD Alert where WA9PIE is pulling in TONS of new DXCC band-countries: