# WinRacing V51.6 Installation

1. Back up the current `winRacing` folder.
2. Copy the supplied `winRacing` folder over the existing folder.
3. No database migration is required.
4. Test:
   - `/winRacing/analysis_chairman_v51_supreme.php?race_date=2026-07-08`
   - `/winRacing/wr_chairman_supreme_decision_ai_v51_0.php?race_date=2026-07-08`
   - `/winRacing/Chairman/api/api_supreme_v51.php?action=latest&race_date=2026-07-08`

Rollback: restore the previous V51.5 package.
