Delete Nations At War Beta if you had it,
Download and run NAW Launcher Setup.exe.
Then Install/Update to pull down latest game files,
Game over all size is now 27.2 gb.
Insert your BF2 CD Key,
Launcher aops and key changer should not have win xp sp3 applied only run as admin,
Once files are pulled down from server!
If you use Windows7, Windows 10, please configure compatible setting.