The installation process of HP printers includes hardware setup and then software installation from webpage 123.hp.com/setup. Firstly you will need to complete the hardware process and plug all the wires and connections to your printer and computer. If you are using a wireless printer, then you will need to connect the USB cable whenever prompted during the installation process. After a successful printer setup, you can now visit the 123.hp.com/setup webpage and click Support > Download driver. Instantaneously after clicking the option, you will receive the driver installer, click over it, and follow the on-screen instructions to install the printer driver on your computer. Hopefully, you have installed your printer successfully.