1) Go here: http://thiefmodcompetition.com/ 2) Fill out name and email (you can use a fake name and email) 3) Get Amazon code for Thief Gold 4) Go here: http://www.amazon.com/Square-Enix-Thief-Gold-Download/dp/B009IXL5FO/ref=dsvrt_myd_asin_block 5) Click Purchase 6) Apply Amazon code from Step 3 to bring price to $0.00 7) Buy game for $0.00 8) Get Steam key from Amazon library: https://www.amazon.com/gp/swvgdtt/your-account/manage-downloads.html?ie=UTF8&ref_=dsvrt_hyd_your_d 9) Redeem on Steam You're welcome.