This section shows some apps available for scanning QR codes. Note that you can download any others from the official product stores of your devices.
The best way to scan Quick Response codes on Apple iOS devices is already integrated through the application: Passbook.
Here are other apps available on the AppStore.
The easiest way to scan a QR code from Windows is through the application preinstalled on all devices: Bing Vision*.
Here are other options to read QR codes.