Follow these instructions carefully. A single typo can invalidate the activation.
Once you successfully bypass the "to activate the city bus simulator please insert the serial key and your name" screen, the game creates a hidden license file. To avoid reactivation headaches after a reformat:
The activation screen is a copy protection measure (typically using Safedisc, SecuROM, or a custom DRM system). When you see "to activate the city bus simulator please insert the serial key and your name", the game is asking for two specific pieces of data: Follow these instructions carefully
This was common for physical CD/DVD releases in the late 2000s and early 2010s. Without both fields correctly matched, the game refuses to launch past the main menu.
Q: Can I activate the same serial key on two computers?
A: Most EULAs allow one active installation at a time. You must deactivate Computer A before activating Computer B. This was common for physical CD/DVD releases in
Q: Does my name appear in the game after activation?
A: In some simulators, your name is engraved on the driver’s badge inside the bus. In others, it just unlocks the license.
Q: The prompt appears even though I already activated yesterday. Why?
A: Your antivirus may have quarantined the license file. Restore it from quarantine and add the game folder to the exclusion list. Enter your name
Q: I entered my name and key, but the game crashes. Now what?
A: Run the game in Windows 7 compatibility mode. Some older city bus simulators (circa 2008–2012) have issues with Windows 10/11.
If you own a legal copy, follow these steps:
O (letter) vs 0 (zero), I vs 1, and 5 vs S.⚠️ Important: If you are using a downloaded copy from an unofficial source, the key you find online may be blacklisted, already used, or simply fake. No amount of troubleshooting will bypass a revoked key.