If basic steps to install HP printer assistant driver on windows 10 it is very essential to install while working with printers and the operating system. Search Windows for your printer model name, and then click your printer in the list of results to open Printer Assistant. If you cannot find HP Printer Assistant, download and install the full feature driver for your printer on your computer. Update your driver in Device Manager: 1.Press the Windows key and search for and open Device Manager. 2.Select the printer that you've connected from the list of available devices. 3.Right-click the device and select Update driver or Update driver software. 4.Click Search automatically for updated driver software.