How do you pump a bike tire with a Presta valve?

To pump a bike tire with a Presta valve, follow these steps:

1. Unscrew the top cap of the Presta valve and press down on the valve to release any air inside.
2. Attach the pump nozzle securely to the valve.
3. Pump air into the tire until it reaches the desired pressure.
4. Remove the pump nozzle and screw the top cap back onto the Presta valve.