A driver for the HP Envy 4500 is a software program that allows the operating system (such as Windows or Mac) to communicate and control the HP Envy 4500 printer. The driver translates the commands from the operating system into instructions that the printer can understand and execute. Without the proper driver, the printer may not function correctly or may not be recognized by the operating system. Drivers are often updated to fix bugs or to add new features, so it's important to keep the driver for the HP Envy 4500 up to date. Drivers can be found on the HP website or through Windows or Mac software updates. URL- https://printersofflines.com/b....log-post/hp-envy-450