This mod is already a year old and was first released here: https://www.facebook.com/BFHDPRO/
If you want to play this mod on multiplayer there are three servers:
French Server
German server
Czech Republic Server
Don´t expect many people to play online as this is a Battlefield 2 - MOD - which is mainly played in Singleplayer.
IF you want to play Battlefield 2 Multiplayer (2005 classic edition) follow these steps to download:
https://www.lost-soldiers.org/profile/id-4/S_h_a_r_k_93#about
Serverlist: https://www.bf2hub.com/servers
More stuff about Battlefield 2:
https://www.youtube.com/reviveproject