You cant do that
You can buy and download it to your drive at Direct2Drive.comLink:http://www.direct2drive.com/8249/product/Buy-Star-Wars-Battlefront-II-Download
Download it from the CD disc or DVD disc.
Star Wars Battlefront Key code is either on the back of the Case or Game Manual.
If you lost the CD then... well your out of luck. You'll have to buy the game again.
i just want a product key, my game didn't come with it. I know its supposed to be on the manual but mine was ripped off of it. the CD key for swb2 is: d1a9-ed1-169-a550-na20
i suggest you contact the company who made the game to get a new CD key.
In order to get another CD key, you will probably have to e-mail tech support and explain the situation. Follow this link and click "e-mail tech support" on the left. http://yodashelpdesk.lucasarts.com/faq.asp?sid=160001081129068114141025&pid=1459&pnm=Star+Wars+Battlefront+II&seid=3925&pos=Windows+XP
i suggest you contact the company who made the game to get a new CD key.
You have to have a PS2 that is able to go online before you can play a game online.
One can find a Star Wars Republic Commando CD key by contacting the company Lucas Arts. They are able to replace these keys if a player possibly loses theirs.
You need to enter it during installation to install the game fully.