you can use a portable usb cd drive if you have one or download origin to your computer once origin is installed from the shortcut icon log in there with your email and password you use for your account right click the game icon-download once you have the base game installed launch it set your settings the way you want them play a bit then save the game then quit back to origin your next ep or sp launch play save quit then the next one the reason i say download and install separately is if you run into an issue with a game not installing or just run into an issue you'll know which one caused it stop right there and post back on the forum for help with whatever the issue is
also just an FYI
For Origin
You don't need to re-register again. Simply login with your Origin account. Right click the game icon doownload The game should be there in myGames. If it's not, contact a game adviser
Installation/reinstalling window installing via disks contact CS
if in the event you need to contact CS
1.https://help.ea.com/en/contact-us/
2.Click on the orange NEXT button
3.Select a platform
4.Click on the orange NEXT button
5.Select a topic and describe your problem in a few words
6.Click on the orange NEXT button
7.Click Chat Now to chat with a Game Advisor
guide on how to contact CS
http://answers.ea.com/t5/Beta-Archive/How-to-contact-a-Game-Advisor-using-the-new-EA-Help-page/td-p/...
