Telegram is a free cross-platform messenger application supporting various platforms such as Android, iOS, Windows Phone as well as Windows, Linux and Mac. The program places privacy on top of its priorities. It is easy to install; download it to your computer, enter your phone number and then confirm your number via an sms code sent to you. Alternatively you can just install it to your device. Having confirmed your number the program will easily find your friends using their telephone numbers. The program has a simple interface and flexible settings. It is updated automatically.