As of April 10th 2018, the Ring app will no longer function on Windows Mobile devices. The Ring app will continue to function on Windows desktops, laptops, and tablets running Windows 10 Fall Creators Update (version 1709) or newer.
Note: New device setup must be done on a mobile device running Android or iOS.
Note: Ring Alarm content will not appear on the Ring app running on a Windows desktop, laptop, or tablet. Alarm functions can only be controlled through an Android or iOS device.