User blog comment:Esoteric Arcane/Bring down the sky./@comment-50.53.11.13-20120830080141/@comment-5337704-20120831001509

I own the CD of Mass Effect, I do not know if this will work for the downloaded version of ME to run BDtS. I have a windows 7/pc.

First link, go straight to the installation download, ignore everything else, you no longer need to register it.

Installation http://masseffect.bioware.com/me1/galacticcodex/bringdownthesky_pc.html

CD key link https://help.ea.com/article/mass-effect-bring-down-the-sky-dlc-redemption For the CD key, it worked for me, if you need another cd key, they do ask that you contact EA, can also check biowars forum to see if you can find other keys.

Let me know if this works for you.