Here's how to use a QR code: Install a QR code scanner app on your smartphone if you don't already have one. There are many free QR code scanner apps available in your smartphone's app store. Open the QR code scanner app on your smartphone. Point your smartphone camera at the QR code, ensuring that the QR code is clearly visible within the frame. Wait for the scanner to recognize the QR code. Once it does, you will see a notification or a pop-up with the information contained within the QR code.
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