If you have a standalone version of the game (non-Steam), follow these steps to register your copy:

The developers have largely moved away from the old manual key system. If you have an old serial number, you can often "recover" it or request a Steam key from the official developers to avoid manual activation entirely. ⚠️ A Note on Security

The final 121-digit (or similar format) string used to unlock the game. How to Enter Your Activation Key

If the "link" or the key isn't working, it is usually due to one of three common issues:

This is the code you received via email upon purchase.

Open the executable as an Administrator to ensure it has permission to save registry files.

If you are looking to get behind the wheel of one of the most realistic driving simulators ever made, you likely need a valid activation key to unlock the full experience. City Car Driving is renowned for its punishingly realistic physics and its focus on teaching real-world traffic rules.

Once the website generates your long-form activation key, copy and paste it into the "Activation Key" field in the game menu. Troubleshooting Common Activation Issues

Many versions require you to visit the official Forward Development activation website. You will provide your Serial Number and the Product Code shown on your screen.