Update? You mean patching it? It shouldn't be hard, just download the Patch, double click, install Done...
U cant
You can download modified maps (I recommend not to) or update to the newest version. But I updated and there were no new maps. To download patches (updates) go to Battlefield 1942 site. For player made maps just search Battlefield 1942 player maps. Hope this is helpful!
battlefield 1942 code for install
If you mean the orignal battlefield game (Battlefield 1942), then no, you do not, it is a standalone game.
There should be no blood in Battlefield 1942 at all unless playing a moded version.
Battlefield 1942 has Violence in it such as shooting at enemy soldiers and using tanks to blast through enemy lines.
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Battlefield 1942 was originally released for Windows PC on September 10, 2002, and Macintosh OSX on June 28, 2004.
Either because: 1.They have a lower version of 1942 than you. 2.They have a higher version of 1942 than you. 3. They have moded maps that you have not downloaded. 4.They are playing a moded version of the game. Try downloading the latest patch/update for 1942 for more servers to allow you to join them.
Battlefield 1942 is not legally free to download you have to actually buy the game from a website/store or borrow from a friend to play.
Battlefield 1942 is a PC game and can not play on a PSP
Yes, there are servers on Multiplayer that you can join on 1942.