How To Download Hp Printer Drivers For Mac Pc.How To Download Hp Printer Drivers For Mac Sierra.How to Update HP Envy 7640 Driver for Windows 10, 8, 7? Here are principally three options available for you to download HP Envy 7640 driver and software. Not only HP envy 7640 e-all-in-one printer driver, any other HP printer drivers, like HP envy 4520, 5530, 7820, 4500 printer drivers are also in much need to be updated on time. If the media is available, click Order Media, and then follow the on-screen instructions to complete the order. Look through the available software for Order Physical Media - CD/DVD/USB. Go to HP Software & Driver Downloads, and then enter your product number to view the available software and driver downloads for your printer.