How do you download blue tooth on kindle fire?

To enable Bluetooth on a Kindle Fire, swipe down from the top of the screen to open the Quick Actions menu, then tap on "Settings." In the Settings menu, select "Wireless" and then tap on "Bluetooth." From there, you can turn on Bluetooth and pair your device with compatible Bluetooth accessories. Note that Bluetooth functionality is built into the Kindle Fire, so you don't need to download it separately.