Redeeming an Untrusted Starter Pack key is really simple, just follow these steps:

1. Create or login into your Untrusted account by clicking "Login via Steam".
2. Click "Redeem code" in the top-left corner.
3. Input and redeem your code.

The key is not working

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions: 

• My key is Duplicated / Already used
• My key is Invalid
• My key is region locked / can't be activated in my country
• My key activated a different product
• My key did not activate all of the content