How to activate Steam Game Key/Code

How to activate a Steam Game Key/Code

In order to achieve it, please follow the steps below:

1. Launch Steam and log into your account.
2. Go to Games then click on Activate a Product on Steam...                                                     
3. Click on "Next".                                                                                  
4. Click on "I agree".
   
   
   
5. Enter the code you purchased.
   
   
   
6. Go to your Steam Game Library, highlight the game, and click install.