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https://github.com/telegramdesktop/tdesktop

Telegram Desktop messaging app
https://github.com/telegramdesktop/tdesktop

messenger multi-platform telegram telegram-desktop telegram-solution

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Telegram Desktop messaging app

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# [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.



[![Version](https://badge.fury.io/gh/telegramdesktop%2Ftdesktop.svg)](https://github.com/telegramdesktop/tdesktop/releases)

[![Build Status](https://github.com/telegramdesktop/tdesktop/workflows/Windows./badge.svg)](https://github.com/telegramdesktop/tdesktop/actions)

[![Build Status](https://github.com/telegramdesktop/tdesktop/workflows/MacOS./badge.svg)](https://github.com/telegramdesktop/tdesktop/actions)

[![Build Status](https://github.com/telegramdesktop/tdesktop/workflows/Linux./badge.svg)](https://github.com/telegramdesktop/tdesktop/actions)



[![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)](https://telegram.org/dl/desktop/win64) ([portable](https://telegram.org/dl/desktop/win64_portable))

* [Windows 7 and above (32 bit)](https://telegram.org/dl/desktop/win) ([portable](https://telegram.org/dl/desktop/win_portable))

* [macOS 10.13 and above](https://telegram.org/dl/desktop/mac)

* [Linux static build for 64 bit](https://telegram.org/dl/desktop/linux)

* [Snap](https://snapcraft.io/telegram-desktop)

* [Flatpak](https://flathub.org/apps/details/org.telegram.desktop)



## Old system versions



Version **4.9.9** was the last that supports older systems



* [macOS 10.12](https://updates.tdesktop.com/tmac/tsetup.4.9.9.dmg)

* [Linux with glibc < 2.28 static build](https://updates.tdesktop.com/tlinux/tsetup.4.9.9.tar.xz)



Version **2.4.4** was the last that supports older systems



* [OS X 10.10 and 10.11](https://updates.tdesktop.com/tosx/tsetup-osx.2.4.4.dmg)

* [Linux static build for 32 bit](https://updates.tdesktop.com/tlinux32/tsetup32.2.4.4.tar.xz)



Version **1.8.15** was the last that supports older systems



* [Windows XP and Vista](https://updates.tdesktop.com/tsetup/tsetup.1.8.15.exe) ([portable](https://updates.tdesktop.com/tsetup/tportable.1.8.15.zip))

* [OS X 10.8 and 10.9](https://updates.tdesktop.com/tmac/tsetup.1.8.15.dmg)

* [OS X 10.6 and 10.7](https://updates.tdesktop.com/tmac32/tsetup32.1.8.15.dmg)



## Third-party



* Qt 6 ([LGPL](http://doc.qt.io/qt-6/lgpl.html)) and Qt 5.15 ([LGPL](http://doc.qt.io/qt-5/lgpl.html)) slightly patched

* OpenSSL 3.2.1 ([Apache License 2.0](https://www.openssl.org/source/apache-license-2.0.txt))

* WebRTC ([New BSD License](https://github.com/desktop-app/tg_owt/blob/master/LICENSE))

* zlib 1.2.11 ([zlib License](http://www.zlib.net/zlib_license.html))

* LZMA SDK 9.20 ([public domain](http://www.7-zip.org/sdk.html))

* liblzma ([public domain](http://tukaani.org/xz/))

* Google Breakpad ([License](https://chromium.googlesource.com/breakpad/breakpad/+/master/LICENSE))

* Google Crashpad ([Apache License 2.0](https://chromium.googlesource.com/crashpad/crashpad/+/master/LICENSE))

* GYP ([BSD License](https://github.com/bnoordhuis/gyp/blob/master/LICENSE))

* Ninja ([Apache License 2.0](https://github.com/ninja-build/ninja/blob/master/COPYING))

* OpenAL Soft ([LGPL](https://github.com/kcat/openal-soft/blob/master/COPYING))

* Opus codec ([BSD License](http://www.opus-codec.org/license/))

* FFmpeg ([LGPL](https://www.ffmpeg.org/legal.html))

* Guideline Support Library ([MIT License](https://github.com/Microsoft/GSL/blob/master/LICENSE))

* Range-v3 ([Boost License](https://github.com/ericniebler/range-v3/blob/master/LICENSE.txt))

* Open Sans font ([Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0.html))

* Vazir font ([SIL Open Font License 1.1](https://github.com/rastikerdar/vazir-font/blob/master/OFL.txt))

* Emoji alpha codes ([MIT License](https://github.com/emojione/emojione/blob/master/extras/alpha-codes/LICENSE.md))

* xxHash ([BSD License](https://github.com/Cyan4973/xxHash/blob/dev/LICENSE))

* QR Code generator ([MIT License](https://github.com/nayuki/QR-Code-generator#license))

* CMake ([New BSD License](https://github.com/Kitware/CMake/blob/master/Copyright.txt))

* Hunspell ([LGPL](https://github.com/hunspell/hunspell/blob/master/COPYING.LESSER))



## Build instructions



* Windows [(32-bit)][win32] [(64-bit)][win64]

* [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

[win32]: docs/building-win.md

[win64]: docs/building-win-x64.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