To perform an automatic update:
WinOLS 4.7 is a popular and stable version of this software, highly favored by many tuners. WinOLS 5, the latest version, offers more advanced features, though many workshops continue to use version 4.7 for its proven reliability and broad compatibility with various tuning hardware and ECUs.
The installer will detect previous versions and upgrade them automatically. Step 4: Activating the Update
Just a quick heads-up regarding the latest update for WinOLS. Version 4.7 has been released and the installation files have been updated to include the latest stability improvements and driver support.
Scroll down to and click Add or remove exclusions .
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When attempting to download WinOLS files from certain sources, downloads may fail for several reasons:
Clear your temporary internet files, disable your firewall temporarily, and re-attempt the update process. To help customize this guide further, please let me know:
WinOLS 4.7 is the industry-standard hexadecimal editor for ECU remapping, offering a major leap over older versions by running natively on modern operating systems without a virtual machine. This updated 2026 guide covers the complete installation process, system requirements, and post-install optimization to ensure your tuning workflow is fast and stable.
: Enter your official EVC customer number and product key when prompted by the activation screen.
