Install Viber on Windows 8, 7 PC for Free Calling. Viber for Windows Operation System lets you make free calls and send free messages to other Viber users on any device around the world! Viber Software for Windows syncs your contacts, messages and call history with your mobile device. Some Viber features on Windows are: Best-quality HD voice calls, Video calls, Text-photo-stickers, Full sync between Mobile-Windows and Transfer ongoing calls between devices. First; download Viber Soft, second; enter your phone number and last; start connecting with your friends.
View this video review about Viber for PC Windows: