To use the Conair ExtremeSteam 2-in-1 with Turbo, first fill the water tank with tap water. Plug in the device and select the desired steam setting on the LED controls. Wait for the device to heat up, and then you can start using it for either steaming or ironing. For steaming, hold the device vertically and glide it over the fabric, releasing steam as needed. For ironing, hold the device horizontally and press it firmly against the fabric.