To change the time and date:

1. In the navigation sidebar, use the ↑↓ (up and down arrow) keys to highlight Set Clock.
2. Press the Enter key.
3. Press the Enter key to select Set Clock.
   
4. Enter the appropriate values. Press Tab or the ↓ (down arrow) key to move between the fields.
5. When finished, press Enter to set the new time and date.