What are the steps to update the Nikon D5100 firmware?

To update the Nikon D5100 firmware, follow these steps:

1. Visit the Nikon website and download the latest firmware update for the D5100.
2. Insert a formatted memory card into the camera and copy the firmware update file onto it.
3. Turn off the camera and then turn it back on while holding down the "Menu" button.
4. Follow the on-screen instructions to update the firmware.
5. Once the update is complete, turn off the camera and restart it to ensure the firmware has been successfully updated.