Extract the mod files from the provided BD64 Zandronum installation.
The same way you get Brutal Doom working, really, as it is just a mod. I am asking because I don't use Zandronum and would prefer to use my usual. It uses Zandronum by default but the readme says it can run via GZ Doom.
Darkredshift: I posted about this on the 'Brutal Doom 64 release imminent' topic but I've posted it here too just in case no-one sees it.
