WinOLS Full Pro Plugins - ECU CS1 CS2 Checksum Checker 2025-08-25

New release thread for WinOLS 4.26 (VMWare) - Full Professional Suite with 66 Plugins: discuss, share feedback, and get help.

WinOLS 4.26 (VMWare) - Full Professional Suite with 66 Plugins​

The latest WinOLS 4.26 in a ready-to-run VMWare machine, fully loaded with 66 essential checksum plu

The Evolution of Tuning: WinOLS 4.26 on a Virtual Platform​

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This is the definitive professional package for WinOLS 4.26, delivered as a convenient, pre-installed, and pre-activated VMWare virtual machine. This version offers a modern interface and enhanced capabilities for today's complex ECUs. Its true power lies in the included library of 62 essential checksum plugins, making it a complete, ready-to-work solution for the...

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Frequently Asked Questions​

Which Windows version is recommended?
For maximum stability during ECU flashing and diagnostics, a clean installation of Windows 10 (64-bit) is recommended.
Is it compatible with J2534 PassThru?
Most modern software versions support standard J2534 interfaces like Scanmatik 2 Pro, OpenPort 2.0, and specific VCI adapters.

What's inside:

• Overview & screenshots
• Version history and compatibility
• Download link and setup notes

View full details and download — WinOLS 4.26 (VMWare) - Full Professional Suite with 66 Plugins