This section of the web site is for current users of Mechanical Simulation products such as BikeSim, CarSim, and TruckSim. Please login to gain access, using the Key ID from your license and the Email account that is registered with Mechanical Simulation for your key ID. (The email account functions as a password for your Key ID. And by the way, we don't use your email for anything here except a password: no spam, etc.)

Key ID

Email account registered for this Key ID


If you do not know the email account that is registered with Mechanical Simulation for your software, please send an email with your Key ID to: and we will coordinate our records.

What Is a Key ID?

Your Key ID is used by Mechanical Simulation to determine your license type and maintenance status.  You will be asked for the Key ID when logging into the Users section of the website or when requesting technical support.

Dongle Keys

Your KEY ID is printed on the dongle.


All Users

From the browser (carsim.exe, bikesim.exe, or trucksim.exe) use the Tools->License Settings menu item to bring up a window showing your Key ID and other information.

Click the picture for a full size view of the license settings, including the Key ID.