Signal
Signal Foundation and Signal Messenger LLC • Communication
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Signal is a leading cross-platform encrypted messaging service, offering secure instant messaging, voice, and video calls. Developed by the non-profit Signal Foundation and its subsidiary, Signal Messenger LLC, this software is entirely free and open-source, prioritizing user privacy above all else. It allows users to send text, voice notes, images, videos, and other files in both one-to-one and group conversations.
Designed with a centralized computing architecture, Signal ensures all communications are protected with state-of-the-art end-to-end encryption, powered by the open-source Signal Protocol. This means that only the sender and intended recipient can read messages or listen to calls, not even the developers of the app. Available across Android, iOS, Windows, macOS, and Linux, Signal uses mobile telephone numbers as identifiers, though registration for desktop use requires an iOS or Android device.
In This Post
Download Signal
File size: 252 MB
OS support: Windows, macOS, Android, iOS
Windows
macOS
Download Signal for macOS – Universal
Android
Download Signal from Google Play Store
iOS
Key Features
- State-of-the-Art End-to-End Encryption: Utilizing the robust open-source Signal Protocol, all your conversations, including texts, voice, and video calls, are secured with advanced end-to-end encryption. This ensures that only you and your intended recipient can access the content, guaranteeing ultimate privacy.
- Free Messaging and Media Sharing: Communicate without incurring SMS or MMS fees. Signal allows you to share text messages, voice notes, photos, videos, GIFs, and various files for free, leveraging your phone’s data connection for seamless communication.
- Crystal-Clear Voice and Video Calls: Enjoy high-quality voice and video calls to contacts anywhere in the world without long-distance charges. Signal provides clear and reliable connections, making it easy to stay in touch with loved ones or colleagues.
- Encrypted Stickers and Custom Packs: Add personality to your chats with a diverse range of encrypted stickers. You can also unleash your creativity by designing and sharing your own custom sticker packs, enhancing your conversations while maintaining privacy.
- Effortless Group Communication: Stay connected with family, friends, and coworkers through secure group chats. Signal makes it simple to manage group conversations, share updates, and coordinate activities with multiple participants, all under end-to-end encryption.
- No Ads, No Trackers: Signal is committed to user privacy by completely eliminating ads, affiliate marketers, and intrusive tracking mechanisms. This allows you to focus solely on meaningful interactions without concerns about data exploitation or unwanted advertisements.
Required Specs
Minimum
- OS: Windows 10, 11 (x64); macOS 12 (Monterey) and above; Linux 64-bit distributions supporting APT (e.g., Ubuntu, Debian); Android 6.0 or later; iOS 15 or later
Tech Specs
| Software Name | Signal |
|---|---|
| Version | 8.23.0 |
| License | Free |
| File Size | 252 MB |
| OS Support | Windows, macOS, Android, iOS |
| Language | English, Spanish, French, German, Italian, Portuguese, Russian, Turkish, Chinese, Japanese, Korean, Arabic, Ukrainian, Polish, Czech, Romanian, Hungarian, Slovak, Bulgarian, Serbian, Croatian, Slovenian, Lithuanian, Latvian, Estonian, Finnish, Swedish, Norwegian, Danish, Dutch, Greek, Hebrew, Persian, Thai, Vietnamese, Indonesian, Malay, Filipino, Hindi, Bengali, Tamil, Telugu, Marathi, Gujarati, Kannada, Punjabi, Malayalam, Nepali, Sinhala, Burmese, Khmer, Lao, Myanmar, Tagalog, Cebuano, Ilocano, Visayan, Waray, Hiligaynon, Pampango, Bicolano, Kapampangan, Tausug, Yakan, Maranao, Maguindanao, Bangsamoro, Sama, Tboli, Blaan, T’boli, Manobo, Subanen, Tausug, Yakan, Maranao, Maguindanao, Bangsamoro, Sama, Tboli |
| Developer | Signal Foundation and Signal Messenger LLC |
| Homepage | https://signal.org/ |
| Changelogurl | https://signal.org/blog/releases/ |
| Last Updated | August 22, 2026 |
Highlights in New Version
- Version 8.23.0: Tweaks, bug fixes, and performance enhancements
- Version 8.23.0: Handful of bug fixes to keep your app running smoothly
- Version 8.23.0: Additional small tweaks, bug fixes, and performance enhancements
- Version 8.23.0: Introducing disappearing call events; reorder sticker packs
- Version 8.23.0: Group admins can now end group chats with End Group option
- Version 8.23.0: Polls can now be created in individual chats
- Version 8.23.0: Group admins can delete recent messages; increased max pinned chats from 4 to 10
Changes in 8.21.0 (2026-07-31)
- Additional small tweaks, bug fixes, and performance enhancements
Changes in 8.19.0 (2026-07-20)
- Group admins can now bring chats to their natural conclusion with the new “End Group” option in group settings. Ending a group prevents group members from sending messages or starting calls, and also disables invites.
- Polls can now be created in individual chats too.
- Group admins can now delete recently sent messages in a group chat.
- Increased the maximum number of pinned chats from 4 to 10.
- Fixed a bug in the sticker creator that displayed the interface in the wrong language.
- Fixed default filename when saving a JPEG to end with.jpg instead of.jpeg.
- Added support for the dark icon style in macOS.
Changes in previous version
Installation Guide
Installation Steps
- Click the download button above for your operating system (Windows, macOS, Android, or iOS).
- For desktop, locate the downloaded installer file (e.g., .exe for Windows, .dmg for macOS) and double-click to run it. For mobile, the app will install directly from the app store.
- Follow the on-screen installation wizard to complete the setup process. On desktop, you will need to link Signal to your mobile device by scanning a QR code.
- Register your phone number on your mobile device to activate your Signal account.
Compatibility: Compatible with Windows 10 and 11, macOS 12+, Linux 64-bit, Android 6.0+, and iOS 15+. Ensure your device meets the minimum OS requirements for optimal performance.
Troubleshooting
- Issue: Desktop app not linking → Solution: Ensure Signal is installed and active on your mobile phone first, and that both devices have a stable internet connection.
- Issue: Unable to receive verification code → Solution: Verify the phone number entered is correct and that you can receive SMS or calls to that number.
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