PC Download and Installation Instructions
1: Log in to the BioWare Community
2: Register Your Mass Effect (PC) CD Key and get a Mass Effect: Bring Down the Sky CD Key for free!
Once you are logged in, register your Mass Effect (PC) CD Key on this CD Key Page. (login required)
Your Mass Effect : Bring Down the Sky CD Key will be listed once your key is registered.
3: Download and Run the Installer