Most HP computers come with HP Printer Assistant. Click the app icon in the taskbar, or search Windows for Printer assistant to open the tool. Learn how to install or update HP Printer Assistant. Download HP Printer Assistant from https://hp-printer-assistant.us/ then follow the prompts to install it on your computer. download and installation:- 1.Visit HP Printer Software and Driver Downloads. 2.Enter your printer name in the search box you should be able to find your printer name on the outer shell of your HP printer. 3.Click Enter.