Download Viber for Windows Phone. Windows Phone (successor to Windows Mobile) is a smartphone OS developed by Microsoft and was made to be a strong competitor against iOS ( Apple ) and Android ( Google ). Windows Phone truly comes alive when the things you love are put in it. Photos, people, songs, places, and apps automatically update right on your Start screen. You can take your stuff virtually wherever you go with OneDrive, for sure, most secure than iCloud :). Since February 2011, Microsoft and Nokia announced a partnership between their companies in which Windows Phone would become the primary smartphone operating-system for Nokia, replacing Symbian.
Check out our list of featured Windows Phone smartphone manufacturers:
Viber for Windows Phone is available in two different versions: for Windows Phone 7 ( 7.5 and 7.8 ) and Windows Phone 8 ( 8.1 ) with a fresh design.