Download the "HP Envy 4500 e-All-in-One Printer series Full Feature Software and Drivers" from the HP support site.
For the on Windows or Mac:
If you prefer a traditional installation, you can download the 110MB full software package from the HP software page . Compatibility and System Requirements HP ENVY 4500 envy 4500 drivers
https://support.hp.com/us-en/drivers/hp-envy-4500-e-all-in-one-printer-series Download the "HP Envy 4500 e-All-in-One Printer series