How to Download and Install ALIENTECH Kess V3 Software?

ALIENTECH Kess V3 is able to read, write and clone ECU & TCU via OBD, Bench and Boot with its unique software-ALIENTECH Suite. For the new user, you need to register an ALIENTECH ID to download the software on the official website and install it on Win7/Win10/Win11 32/64 bit (1 GHz processor and 2GB or above RAM).


Register ALIENTECH account



Click “Register now” to enter the registration page

Fill in user name, e-mail address, password, and language correctly to create ALIENTECH ID

Click “Next”, and the Alientech team will send you an activation email.

Check your email and activate your ALIEN_ID according to the prompt.


Download Kess V3 Software AlientechSuite

Log in with your ALIEN_ID (email address and password) on the official website

Click “Download area” at the left sidebar of the page

Find KESS3 and click AlientechSuite_Setup to download the software


Install ALIENTECH Suite software

After downloading successfully, run the application, and follow the on-screen prompts to install one by one.

After installation, use the USB cable to connect Kess V3 ECU programmer and computer, and run Alientech-Suite software to perform the protocol supported via OBD, Bench or Boot mode.

If there is new update, follow the prompt to update directly.

Learn more:

Alientech KESS V3 Review: Better Than Kess V2 and KTAG

Alientech KESS V3 Review: Better Than Kess V2 and KTAG