WinOLS 4.7 is a professional-grade software developed by EVC Electronic

Part 7: Maintaining Your WinOLS 47 Installation

Step-by-Step: WinOLS 4.7 Installation

Settings > Folders

Go to and define:

You can simply drag an original ECU file into the main window to start a new project. Text View vs. 2D: Most users start in to identify numerical patterns, then switch to (hotkey 'G') or to visualize map shapes. Map Detection:

4.3 Hardware Connection Test