Not sure how to get started?

If you’re trying to update your software simply download and install the latest copy from this page.

Step 1: Before you download and install the software read through our Online Help: KTuner Online Help

Step 2: If you’re using Windows XP you will need to manually install the device drivers. Please see the manually install drivers section of the online Help for more information. Windows Manual Driver Installation

Step 3: Download and install the KTuner Software. This requires a KTuner In-ECU board or KTuner OBD2 Interface to register. Details are in the Quick Start Guide linked to above:

If you are unable to download your browser is blocking due to security. Set this website as a safe site or use a different browser.

Minimum System Requirements:
Windows XP SP3 (Should be up to date with WinUSB installed)
1.8GHz Core2Duo 2GB RAM Or Better Is Recommended.

Mac users can use Bootcamp or Parallels to run Windows.

Supported Windows Versions:
Windows XP SP3
Windows 7
Windows 8
Windows 8.1
Windows 10
Windows 11

  • Due to many issues with Windows Vista we do not support this operating system, even though the software may run fine.
  • Norton and other anti-virus or security programs may prevent KTuner from running. Please put KTuner on the allow list or disable the security when running the application.