Cities: Skylines Game Keys

Go to: http://store.steampowered.com/ and download STEAM client
Click "Install Steam" (from the upper right corner)
Install and start application, login with your Account name and Password (create one if you don't have).
Please follow these instructions to activate a new retail purchase on Steam:
Launch Steam and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process.
After successful code verification go to the "LIBRARY" tab and start downloading.

Kick back and relax to the smoothest tunes in town on Downtown Radio, your one-stop-shop for modern lounge music in Cities: Skylines. This channel features 16 original songs with a retro twist, created especially for all the late-night city builders out there. Chill out with DJ Troy Anderson as he takes you through nearly an hour of relaxing tracks in this essential pack. Downtown Radio contains the following tracks: Casuality - Cemetery Blues Casuality - Noodles Soup Casuality - Steam Boats Casuality - Sunroof Breakfast City Section - Approaching End Station City Section - Beach Avenue City Section - Neon Lights Night City Section - You Are Not Alone Shanghai Fever - Caught In A Selfie Shanghai Fever - Chasing Raindrops Shanghai Fever - Dressed For Success Shanghai Fever - Til Next Time Timelines - Brooklyn Heights Timelines - Central Park Timelines - Hotel Tropico Timelines - Midnight Cruise