Wintax 4 User Manual //free\\ 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
: The top-tier suite featuring real-time telemetry, multi-user capabilities, and F1-level compatibility. Further Exploration wintax 4 user manual
- Client List Pane (Left): Displays all saved returns. Use Tax Year filter (2023, 2024, etc.).
- Action Ribbon (Top): Contains New Return, Open, Calculate, Print, and E-file.
- Activity Feed (Bottom Right): Logs calculation errors, missing SSNs, or IRS rejection codes.
- Status Bar: Shows current database path and remaining e-file credits.
- User passwords encrypted.
- Audit log:
Tools > Audit Log – tracks who accessed/modified returns.
- Data folder (
C:\WinTax4\Data) should be restricted via Windows permissions.
- After federal data is complete, click State Return tab.
- Select state(s) (supports multi‑state allocation).
- Adjust state‑specific additions/subtractions (e.g., state tax refund, college savings plan contributions).
WinTax 4 Dashboard