123.hp.com/setup - HP Printer Setup Download Install Printer Drivers Download & install HP printer driver by connecting via 123.hp.com/setup. It is the official portal to access all the latest drivers and software updates for HP printers. Get HP Printer setup done without any hassle simply at 123 hp com setup portal. HP Printer Setup Using USB Cable Firstly, type "devices and printers" on search bar of control panel settings then right-click hp icon. Then, click 'Remove device' and open 123.hp.com/setup. Now, Click Download, choose setup, and select your device type (if it doesn't detect your device); wait for hp printer setup download.