: Disable your antivirus software and Windows Firewall before starting the installation. The WinOLS 4.7 installer (and especially any patches or loaders) is frequently flagged by antivirus scanners as potentially unwanted. Many users have reported that it is impossible to run the installer without first disabling these protections.
5 GB free space (SSD recommended for fast project loading) Display: 1280 x 800 resolution Recommended Specifications Operating System: Windows 11 (64-bit)
: Choose where you want to install WinOLS. The default path is usually C:\Program Files (x86)\EVC\WinOLS . It is highly recommended to keep this default path, as many third-party scripts and plugins look for WinOLS in this specific directory. Click Next .
The software will automatically check for updates. Restart after downloading these to ensure stability. ⚠️ Common Installation Issues winols 47 install
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: Antivirus software or Windows Firewall flags the installer or patches as malicious and prevents execution.
: WinOLS requires specific checksum algorithms to correct the software signature before flashing the modified file back to the ECU. Ensure your relevant checksum modules (purchased from EVC or supplied with your tool chain) are active under Projects > Checksum . : Disable your antivirus software and Windows Firewall
If you are upgrading from an older version of WinOLS (such as 2.24 or 4.5), locate your existing project folder (usually found in C:\Program Files (x86)\EVC\WinOLS\Projects or C:\Users\Public\Documents\EVC\WinOLS ) and copy it to an external drive. Step 3: Running the WinOLS 4.7 Setup Wizard
Before running the installer, ensure your workstation meets these requirements:
WinOLS requires specialized device drivers to interface with hardware components like the EVC BDM100, Galletto, KESS, K-Tag, or genuine EVC hardware keys (dongles). 5 GB free space (SSD recommended for fast
Extract the downloaded folder to a location of your choice on your computer.
Intel Core i3 or AMD Ryzen 3 (Dual-core, 2.0 GHz) RAM: 4 GB
On modern 4K laptops, WinOLS can appear tiny or blurred.
Many users install WinOLS 4.7 using unofficial or cracked versions. If using such versions, be aware of the following important considerations:
Choose (required for the first launch to initialize configuration files). Step 2: Set Up Paths and Directories