Dekstop:
Scroll down until you see the Download App option. Hovering over it will display options to download the software on either your desktop or mobile device.
Hover over the Desktop Application icon and select the operating system for your computer.
If you have a Windows machine, the program will be downloaded as a .exe file. If you are using a Mac, the program will be a .dmg file.
The downloaded files can be found on your computer’s Downloads folder.
Click on the downloaded file and it will run the installation.
Mobile:
You can also access the mobile application at https://messengerpigeon.habitatlearn.com/
or,
Go to either the App Store, or Google Play and search for Messenger Pigeon