To learn how to begin 123hpcom/setup, here we explain the setup guidelines in detail. You can connect the necessary cables as the first step. Then choose the settings to activate the network. To connect HP printer to the network, we suggest the connection modes such as WPS or Wireless setup wizard. After choosing the settings, run the onscreen commands that appear. Then proceed to download and install the Printer driver. Finally, choose the settings to add Windows and Mac computer. Please dial the toll-free number for assistance.