QR or Quick Response Codes are a type of two-dimensional barcode that can be read using your phone’s camera, that link directly to text, emails, websites, phone numbers and more. Scan the QR code with your Lumia phone:

  1. Press the Search key, and then tap the eye icon at the bottom of the screen (with Cortana enabled: Launch the camera and select ... > lenses > Bing Vision).
  2. Point the camera at a code. 
  3. Hold up your phone to capture the QR code.
  4. Tap a result for more info.