You bought the key, you typed it in, but Steam or the game launcher is rejecting it. Don't panic. Here are the most common fixes.
Error: "Invalid Product Code"
Error: "Duplicate Code"
Error: "Wrong Region"
Error: "Requires Base Game"
On modern hardware, the game runs smoothly. The controls can have a steep learning curve, especially when mapping the complex movements of an excavator arm to a controller or keyboard, but the game offers "Simple" controls for casual players and "Realistic" controls for hardcore sim fans.
If you have purchased a key from a third-party retailer (like Humble Bundle or Green Man Gaming) and need to activate it, here is how to do it: Construction Simulator Activation Key
For Steam Users:
For Epic Games Store Users:
You bought the key, you typed it in, but Steam or the game launcher is rejecting it. Don't panic. Here are the most common fixes.
Error: "Invalid Product Code"
Error: "Duplicate Code"
Error: "Wrong Region"
Error: "Requires Base Game"
On modern hardware, the game runs smoothly. The controls can have a steep learning curve, especially when mapping the complex movements of an excavator arm to a controller or keyboard, but the game offers "Simple" controls for casual players and "Realistic" controls for hardcore sim fans.
If you have purchased a key from a third-party retailer (like Humble Bundle or Green Man Gaming) and need to activate it, here is how to do it:
For Steam Users:
For Epic Games Store Users: