Drivers are available for download and installation at 123.hp.com. This is because the printer may not function correctly until the required drivers are installed. The methods for downloading and installing the setup file. Switch on the HP printer. Go to the HP website to learn more. In the search box, type the model number of your printer. The names of the drivers will be shown. Choose the correct drivers for your printer based on its model. Click the "Download" button. To install the files, double-click the EXE file.