Here's how to view the software version in the TD-25:
1. Press the Function 3 button (MENU).
2. Press function 3 again (SETUP).
3. Press function 3 to highlight "SYSTEM INFO."
4. Press ENTER ("KICK" will be flashing).
The Program Version will show in the display.
5. Press Function 1 three times when you're finished to return to the main menu.