HP Officejet Pro 8600 keeps on releasing some new updates from time to time. So, to add new advanced features, you need to download the Officejet pro 8600 driver. To do so, first, visit HP's official site. Then go to the 'Support' tab. Now, select 'Software & drivers.' Then, in the search section, type your printer model and name and then select your printer. Further, choose the language and OS of your device. Now, hit the 'Download' button to download the latest setup file of the HP driver. Then to install it, follow the instructions from the instructions wizard and then restart your system.