# WinRacing Runtime Foundation V50.3

1. Backup the existing `winRacing` folder.
2. Copy this package over the existing folder, preserving the structure.
3. Do not move the database. `config/config.php` remains connection-only.
4. Open `wr_runtime_diagnostic_v50_3.php`.
5. Test the V47, V48, V49 and V50 APIs using `action=latest` before using `action=build`.

No ALTER TABLE statement is introduced by Runtime Foundation V50.3.