All you have to do is download the free app from the Apple App Store if you have an iOS device or from the Google Play Store if you have an Android device. We have provided the links below for your convenience.
Google Play Store Merkury Smart
Remember, the app is compatible with Apple iPhones, iPods, or iPads running iOS 14 or later, and Android phones or tablets running Android 10 or later. While the app may work with older versions of the operating systems, the above are recommended and supported.