Paradox Store: Buying directly from the publisher often results in special discounts or bundled content.
If you get a "Duplicate Product Code" error, it means the key has already been used. If you get "Invalid Code," double-check your 0's (zero) vs. O's (the letter). license key cities skylines
Check out this guide to see how the realistic economy and production systems work once you've activated your game: Paradox Store: Buying directly from the publisher often
Select "Activate a Product on Steam..." and follow the prompts. license key cities skylines