Ensure the ECU accepts the modified file without "bricking" the hardware. Key New Features in WinOLS 5

: Please ensure you have the necessary permissions and follow all applicable laws and regulations when modifying your vehicle's ECU files.

: Log in to download the full password-protected version or updates. demo version is available for testing before purchase. Installation Note : Run the installer as an administrator on Windows 10 or 11 (64-bit). EVC electronic Key System Requirements

: You can install WinOLS 5 alongside WinOLS 4. They use the same license, so you don't need to pay for a new one if you already have version 4 on that computer.