To set up your HP printer using **123hp.com/setup**, follow these steps:

1. **Unbox and Prepare the Printer:**
– Unpack the printer from the box.
– Plug in the power cable and turn on the printer.
– Install the ink cartridges.
– Load paper into the input tray[1][3][4].

2. **Download Printer Software:**
– On your computer, open a web browser and navigate to **123.hp.com/setup**.
– Enter your HP printer model number.
– Download the appropriate printer driver and software for your operating system (Windows or macOS)[1][2][4].

3. **Install Printer Driver and Software:**
– Run the downloaded installation file.
– Follow the on-screen prompts.
– During setup, you will be asked to choose a connection type: USB or wireless (Wi-Fi).
– For Wi-Fi setup, ensure your printer is on the same wireless network as your computer.
– Connect the printer to the Wi-Fi network by selecting the network name and entering the password using the printer’s control panel or the software wizard[1][2][4].

4. **Configure Printer on Your Computer:**

For Windows:
– Go to Settings > Devices > Printers & Scanners.
– Click “Add a printer or scanner”.
– Select your printer when it appears and follow prompts to add it[1][2].

For macOS:
– Go to Apple menu > System Preferences > Printers & Scanners.
– Click the plus “+” button to add the printer.
– If necessary, select the IP tab and enter printer details manually[2].

5. **Print a Test Page:**
– After installation, print a test page to confirm successful setup and functionality[2].

These steps cover the typical HP printer setup process using **123.hp.com/setup** for both Windows and Mac users, including wireless network configuration[1][2][4].

If you have a specific HP printer model, entering that on the website helps download model-specific guides and drivers[2].

For additional visual guidance, you can find tutorial videos online demonstrating the setup process via the HP Smart app and other methods[5].