To use the HP Envy 4500 wireless driver, first ensure that your printer is properly connected to your wireless network. Then, download the appropriate driver from the HP website and follow the installation instructions. Once the driver is installed, you can print wirelessly from any device connected to the same network. Additionally, the driver may provide access to advanced features such as mobile printing or scanning. It is recommended to periodically check for driver updates to ensure optimal performance and compatibility with your system.