Click on the menu at the top or the "+ Add a Game" button in the bottom-left corner. Select "Activate a Product on Steam..." .
You can purchase activation keys from several official and third-party retailers. Choosing the right source often depends on your preferred platform and budget. Construction Simulator Activation Key
The most direct way to get the game is through the Construction Simulator official site or directly on the Steam Store page . Buying here ensures immediate library integration. Click on the menu at the top or
Follow the prompts and enter your exactly as it appears. Click "Confirm" or "Next" to add the game to your library. Construction Simulator Activation Key