7.62 High Calibre is a tactical action game, sequel to Brigade E5. A professional mercenary is in pursuit of a certain Russian "businessman", who stole a large amount of money from his "colleagues". Now he is hiding in a small country of Latin America to avoid an inevitable punishment.
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