Warp into action with Solar Shifter EX. Man your ship and dive into fierce combat situations in space and over beautiful and distant planet surfaces. Solar Shifter EX is a sci-fi shoot 'em up with the unique ability to 'shift'.
Open the Steam client, login and locate the Games tab on the top menu. Click this and then select “Activate a Product on Steam…”
Enter your unique code that's displayed on the 'Orders' page of CDKeys.com and follow the prompts to activate.
Your game is now viewable in the “Library” tab and is available to download/install when you’re ready. You can find additional support for the Steam client here: https://help.steampowered.com/en/wizard/HelpWithSteam