Hi. Firstly I'm super new at ARMA3 modding so please be kind.
I'm trying to get Alive to work, but all that ever happens is the game hangs on the mission loading screen?

To confirm. I've enabled CBA_A3 and Alive. Both come up on the game's main screen as being active and the ALiVE modules seem to be in the mission editor as they should.

To check it it's all set-up correctly I downloaded and installed the "Insurgency ALiVE" demo mission, but I get the same issue with that.
It happens both from the editor preview, or when I export to multiplayer missions and create a new LAN game to test.

Any ideas, I'm super stumped?

Scrap that; I left it loading while I went and made a coffee and when I came back it had loaded.