To set up your Arlo camera, begin by downloading the Arlo app on your smartphone. Create an account or log in if you already have one. Once logged in, tap on "Add Device" and select your camera model. Follow the in-app instructions to charge the camera and ensure it is powered on. Next, place the camera close to your Wi-Fi router for optimal connectivity. Scan the QR code displayed in the app with your camera. After successful pairing, mount the camera in your desired location. Adjust settings as needed using the Arlo Camera Setup options in the app.