Download Signal for Android, iOS, Linux, macOS, and Windows.

Download Signal app for Android, iOS, iPhone, iPad, iPod Touch, or Desktop for free! Get the latest version of Signal Messenger.

Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your chats and calls completely private.

Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private.

3 days ago · Signal says its systems are secure but it is taking reports of targeted attempts to hack some officials "very seriously".

7 hours ago · Signal ships with great features, but not all of them are enabled by default. These hacks help you get the most out of this encrypted messaging app.

Find out what’s new and what’s next for AI and tech — all directly from Microsoft, with insights and practical tips that matter for your work, life and the world.

State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else can either.

How to use Signal and what can you do with the app? In this Signal guide you’ll find everything: how to download and install it, basic features, privacy and security options, tips, and handy functions!

Signal Messenger User Guide Learn how to download Signal, explore its basic features, and make the most of its privacy tools and helpful tips.