The software is downloaded directly from the manufacturer.

Once you have obtained the WinOLS 2.24 installation package from a reputable automotive software provider: Right-click the downloaded archive ( .zip or .rar ). Select .

Go to the official EVC website (evc.de). They sell:

specifically for automotive ECU (Engine Control Unit) tuning. While newer versions like

WinOLS is a professional application designed to modify the memory contents of a vehicle's Engine Control Unit (ECU), commonly known as "chiptuning" or "remapping". It is developed by German company EVC electronic. At its core, WinOLS is a specialized binary editor that visualizes raw ECU data as 2D and 3D maps, making it possible to identify and edit parameters that control an engine's performance.

Open C:\Program Files\EVC\ , right-click loader_ols_32bit.exe , and select Run as Administrator .

Before downloading, ensure your computer meets the minimum specifications to run WinOLS 2.24 smoothly.

: Windows XP, 7, 8.1, or 10 (Works on both 32-bit and 64-bit systems). Processor : Pentium/Athlon 1.8 GHz or higher.

Never modify a file without keeping an untouched copy of the original factory readout ( .ori file) safely backed up in a separate directory.

While later versions of WinOLS 5 require Windows 10/11 64-bit and at least 16 GB of RAM, version 2.24 is known for being much leaner.

If your package requires a loader to run correctly on modern operating systems: