Wintax 4 User Manual __hot__ May 2026
WinTAX4 is a professional motorsport data analysis platform developed by Magneti Marelli. This guide summarizes the essential steps for installing, configuring, and using the software based on official documentation from Racing Tech and Peugeot Sport/Citroën Racing guidelines. 1. Installation and Activation
1.1 Key Features
- Guided interview and form‑based data entry
- Automatic tax calculations and error checking
- Direct e-filing with IRS and state agencies
- PDF generation for printing/mailing
- Secure client data management
To print a return:
- Click Print Center.
- Select Collation Order:
Events & Alarms: Setting automated checks that trigger icons, reports, or pop-ups when specific conditions (like a gear change or error flag) are met. wintax 4 user manual
System Compatibility: Ensure your PC runs Windows 7, 8, 10, or 11. For older versions (4.23 or 4.80), set the executable to "Run as Administrator" and use Windows 7 Compatibility Mode in the file properties. License Levels: Choose the version that fits your needs: Junior: Basic freeware for Marelli ECUs. WinTAX4 is a professional motorsport data analysis platform
Need a hand with a specific setup?You can find more detailed walkthroughs and documentation at the Racing Tech WinTAX4 Portal or through the official Magneti Marelli Motorsport support. Guided interview and form‑based data entry Automatic tax
This user manual write-up outlines the core functionalities, navigation structure, and operational procedures required to use WinTAX 4 effectively.
A rising line indicates the current lap is losing time compared to the reference. A falling line indicates the current lap is gaining time.
5. Executing Calculations
WinTAX 4 features a robust calculation engine that simulates vehicle performance over standardized driving cycles.