To Connect HP DeskJet 3512 Printer to WiFi using HP Printer software, visit the official website of HP and download the software driver. Now, enter the printer model name and search for the printer driver. Download the compatible driver for your printer device. Follow the on-screen instruction to complete the installation process. Click System Preferences on the Apple menu and install the software. Then under the network section, select the appropriate connection type. Select the auto select option to have a connection automatically with the active wireless network to complete the setup on Mac. In case you are performing the Setup on Windows, find the driver that best suits your Windows Operating system. Then, use the Add a printer option to install the printer software. Select the settings option from the Wireless options menu. From the Settings menu, choose the Wireless Setup Wizard option. Select the Continue option to proceed with the setup process. After you enter your Wireless Network password, make the necessary changes in your setup, confirm the wireless setup to complete the wireless HP DeskJet 3512 Setup on Windows.