This document provides an overview of the Telegram messaging app. It discusses Telegram's history, launch in 2013 by brothers Nikolai and Pavel Durov. It outlines Telegram's key features, including ordinary chats which use client-server encryption and secret chats which provide end-to-end encryption. The document also highlights Telegram's encryption protocols, ability to access chats across multiple devices, and capabilities like sending files, photos and videos. It discusses why users may want to switch to Telegram, noting it is private, cloud-based, fast, distributed, open, free and secure. Basic instructions are provided for installing the Telegram app on Windows and Mac computers.

1. Telegram
Preparing: Nasih Khidir Haji
Supervisor: Mr.Hassan
University of zakho
College of engineering
Mechanical department

2. List of content
 History
 Features
 Telegram Highlight Features
 Why switch to telegram
 Haw to install the telegram app to your PC

3. History
Telegram was launched in 2013 by the brothers Nikolai
and Pavel Durov .
In October 2013 telegram had 100,000 daily active
users.
On 24 March 2014 telegram announced that it has
reached 35 million monthly users and 15 million daily
active users

4. Features
The application features two types of chats :
1.Ordinary chats:
Ordinary chats use client-server
Encryption and can be accessed from multiple devices
2. Secret chats :
Secret chats use end-to-end encryption and can only
And can only be accessed from the two participating devices

5.  Conversations are encrypted with the MT photo protocol developed by
telegram
 chat history is stored on telegram cloud servers and can be accessed on
any number of devices
 has mobile versions,desktop versions,and browser extensions
 can send voice notes ,photos,videos,and files of all types .
 groups for 200 members
Telegram Highlight features

6.  Secret chat with end-to-end encryption that are not stored on the servers.
 Auto – destructing messages in secret chat (like snap chat )
 message read status :1 check = sent, 2 checks = read (opened)

7. Why switch to Telegram
 Private
 clous – based
 fast
 Distributed
 Open
 Free
 Secure
 Powerful

8.  First just open your browser
 Dawnload the app which operating system you are
using … windows or Mac
How to install the Telegram app to your PC

9. https://www.telegram.net/sanoofarmu/telegram-42394286
Reference