How Do I Install and Setup an HP Printer Online? You can find comprehensive setup instructions for each HP printer model at 123.hp.com/setup. Each model of HP printer has a different basic installation procedure depending on whether it is being used with a wired or wireless connection. To complete the installation process, you must also instal the HP printer driver. We'll go over how to instal the printer driver, set up your HP printer (wired or wireless), and do all of that with or without a CD. To rapidly complete the HP setup, go to 123.hp.com/setup.