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Open the extracted folder and locate the installation executable. Depending on the package, the installer file may be named WinOLS4.7.4 - Native Installer.exe or simply OLSInstall.exe . Right-click on this file and select from the context menu.
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Visual C++ Redistributable Packages (2015–2022). 2. Preparing Your System for Installation
Open your File Explorer and go to C:\Program Files (x86)\EVC . Winols 4.7 Install
Under the tab, define your default folders for storing projects ( .ols files) and original dumps.
WinOLS is the industry-standard software developed by EVC Electronic for modifying engine control unit (ECU) data. It allows tuners to locate, analyze, and edit maps within an ECU dump file.
WinOLS is the industry-standard software for modifying and tuning ECU (Engine Control Unit) files. It is widely used by professional tuners to read binary files from vehicle ECUs, identify maps (such as ignition timing, fuel injection, and boost pressure), and edit these values to optimize engine performance or fuel efficiency. Open the extracted folder and locate the installation
Navigate to the tab and configure how WinOLS searches for map characteristics during file import. Importing Checksum Modules Without proper checksums, modified files can brick an ECU. Go to the Checksum menu item.
Depending on whether you are using an official EVC license or a specific package, activation steps vary.
Check your antivirus quarantine history. Restore any deleted files related to WinOLS, add the entire installation folder to your antivirus exclusion list, and ensure you always launch the application via the administrative loader tool. Error: Checksum Calculation Fails (Greyed Out) The or car brands you plan to work
To ensure stable operation, especially when working with large project files or 3D map views, the following specifications are recommended: Operating System : Windows 7, 8.1, 10, or 11 (32-bit and 64-bit supported).
Open or your third-party antivirus dashboard. Turn off Real-time protection temporarily.
WinOLS 4.7 offers several new features and improvements, including:
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