If you want to install HP printer drivers from 123.hp/setup , then you have to go 123.hp.com and follow the below mentioned steps. 1. Switch on the HP printer and computer. 2. Open the web browser and type 123.hp/setup . 3. Mention the model of your HP Printer in the space provided. 4. Choose the printer driver. 5. Click on the download button. If you are unable to do it on your own then you can connect to us, we have an expert team with us that can fix all your issues in just one phone call.