telegramdesktop/tdesktop

[Telegram Desktop][telegram_desktop] – Official Messenger

This is the complete source code and the build instructions for the official [Telegram][telegram] messenger desktop client, based on the [Telegram API][telegram_api] and the [MTProto][telegram_proto] secure protocol.

[![Preview of Telegram Desktop][preview_image]][preview_image_url]

The source code is published under GPLv3 with OpenSSL exception, the license is available [here][license].

Supported systems

The latest version is available for

• Windows 7 and above (64 bit) (portable)
• Windows 7 and above (32 bit) (portable)
• macOS 10.13 and above
• Linux static build for 64 bit
• Snap
• Flatpak

Old system versions

Version 4.9.9 was the last that supports older systems

• macOS 10.12
• Linux with glibc < 2.28 static build

Version 2.4.4 was the last that supports older systems

• OS X 10.10 and 10.11
• Linux static build for 32 bit

Version 1.8.15 was the last that supports older systems

• Windows XP and Vista (portable)
• OS X 10.8 and 10.9
• OS X 10.6 and 10.7

Third-party

• Qt 6 (LGPL) and Qt 5.15 (LGPL) slightly patched
• OpenSSL 3.2.1 (Apache License 2.0)
• WebRTC (New BSD License)
• zlib (zlib License)
• LZMA SDK 9.20 (public domain)
• liblzma (public domain)
• Google Breakpad (License)
• Google Crashpad (Apache License 2.0)
• GYP (BSD License)
• Ninja (Apache License 2.0)
• OpenAL Soft (LGPL)
• Opus codec (BSD License)
• FFmpeg (LGPL)
• Guideline Support Library (MIT License)
• Range-v3 (Boost License)
• Open Sans font (Apache License 2.0)
• Vazirmatn font (SIL Open Font License 1.1)
• Emoji alpha codes (MIT License)
• xxHash (BSD License)
• QR Code generator (MIT License)
• CMake (New BSD License)
• Hunspell (LGPL)
• Ada (Apache License 2.0)
• zxcvbn-c (MIT License)
• FrequencyWords by Hermit Dave (Creative Commons Attribution-ShareAlike 4.0)

Build instructions

• [Windows (32-bit and 64-bit)][win]
• [macOS][mac]
• [GNU/Linux using Docker][linux]

[//]: # (LINKS) [telegram]: https://telegram.org [telegram_desktop]: https://desktop.telegram.org [telegram_api]: https://core.telegram.org [telegram_proto]: https://core.telegram.org/mtproto [license]: LICENSE [win]: docs/building-win.md [mac]: docs/building-mac.md [linux]: docs/building-linux.md [preview_image]: https://github.com/telegramdesktop/tdesktop/blob/dev/docs/assets/preview.png "Preview of Telegram Desktop" [preview_image_url]: https://raw.githubusercontent.com/telegramdesktop/tdesktop/dev/docs/assets/preview.png

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