

The client software includes mechanisms by which users can independently verify the identity of their contacts and the integrity of the data channel. It secures all communications with end-to-end encryption. Signal uses mobile telephone numbers as identifier for users. Registration for desktop use requires an iOS or Android device. Signal is also distributed for iOS and desktop programs for Windows, macOS, and Linux.

The official Android app generally uses the proprietary Google Play Services, although it is designed to work without them. Its mobile clients are published under the GPL-3.0-only license, while the desktop client and server are published under the AGPL-3.0-only license. Signal's software is free and open-source. It is developed by the non-profit Signal Foundation and its subsidiary, Signal Messenger LLC. The application uses a centralized computing architecture, and is cross-platform software. Communication may be one-to-one between users, or for group messaging. The instant messaging function includes sending text, voice notes, images, videos, and other files. STEP 3- Make sure the device has a stable internet connection, the download will start instantly.Signal is an encrypted messaging service for instant messaging, voice, and video calls. STEP 2- To download the desktop version, click on "Download for Windows" Click on the link here (We do not recommend any specific browser, users can use any browser) STEP 1- You need to visit the Signal download page on the browser. Here is how you can download the Signal app and use it on Windows, laptop, or PC If you want to use it on your laptop or PC you will need to download the app first. However, the Signal app does not have any specific web version. It allows users to send end-to-end encrypted group, text, picture, and audio and video messages, and make encrypted audio and video calls.

The signal app is available on Google PlayStore, Apple App Store, and for mobile users.

Millions of new users have downloaded the Signal app. After the controversy of the latest Whatsapp privacy policy, Signal App gained wide popularity among the WhatsApp users in India.
