If you want to save money legally, buy from sites approved by the publisher. These sites buy keys in bulk directly from Paradox Interactive: Humble Bundle (where proceeds also go to charity) Fanatical Subscription Services
When a publisher generates a license key for a platform like Steam, Epic Games Store, or Microsoft Store, that key is unique. The moment a user redeems it, the key is permanently tied to that specific account. It becomes completely useless to anyone else. A static .txt file hosted on a public website cannot contain unredeemed, working keys for thousands of random downloaders. Active DRM Verification cities skylines license key.txt
Some text files contain instructions for using a cracked executable (a modified .exe file). These often require you to disable your antivirus (a huge red flag) and replace core game files. While this might technically launch the game, you will: If you want to save money legally, buy