HOW TO GET THE SERIAL FOR FREE:
2. Create an account and download Origin
3. Download Ra2/Get as many serials as you want for free. (I think there's a way to get the serial without downloading the game if you already have it). This version has single player or w/e if you like EZ gameplay and shity stories.
HOW TO USE THE SERIAL ON XWIS:
1. Create an account on here (XWIS).
2. Register the serial you just got on here through your "Game Account". http://xwis.net/game-account/
3. Click "Create Nick". You can make up to 9 of them.
4. Log on to ra2. If you don't have ra2 downloaded yet, here you go n00b: http://xwis.net/forums/index.php/topic/177134-downloads/
5. This download comes with many new maps AND AUTO SS to prove you don't cheat. If you maphack, auto ss will catch it and you may get banned.