install Medal of Honor Allied Assault first then any of the expansion packs
deadly dozen and deadly dozen pacific theater are just standalone so just install them.
Medal of Honor Allied Assault Warchest
For the first time ever, go to battle with the complete Medal of Honor Allied Assault experience assembled in one package that includes Medal of Honor Allied Assault and the Spearhead and Breakthrough expansion packs plus deadly dozen and deadly dozen pacific
With Medal of Honor Allied Assault War Chest, your World War II tour of duty spans the European Theater and North Africa. From the D-Day invasion on Omaha Beach to the push toward Berlin, wage war in a massive variety of explosive single-player and multiplayer missions. Medal of Honor Allied Assault War Chest puts you in the heat of WWII combat like never before, combining unprecedented WWII historical action and epic cinematic appeal!
* Multiple styles of play. Use stealth to infiltrate German headquarters, drive a Tiger Tank, lead squads of Army Rangers, and more.
* Massive arsenal. Eliminate the enemy with a variety of authentic WWII weapons, including machine guns, bazookas, grenades, and many others.
* Enhanced multiplayer combat featuring Tug-of-War mode.
* Explosive single-player levels for battles through North Africa and Italy and from Normandy to Berlin.
* Operating system: Mac OS X v10.2.8 or later
* CPU processor: PowerPC G4/G5 or later
* CPU speed: 800Mhz minimum, 1Ghz or faster recommended
* Memory: 256MB recommended
* Hard disk Space: 2.6GB free disk space
* Video card (ATI): ATI Radeon 7500 or better
* Video card (NVidia): GeForce2 MX or better
* Video memory (VRAM): 32 MB or higher
* Media required: DVD drive for installation and play