2015-09-06 16:17:03 +00:00
# [Telegram Desktop][telegram_desktop] –
2014-05-02 12:36:31 +00:00
2015-09-06 16:17:03 +00:00
This is the complete source code and the build instructions for the alpha version of the official desktop client for the [Telegram][telegram] messenger, based on the [Telegram API][telegram_api] and the [MTProto][telegram_proto] secure protocol.
2014-05-30 08:53:19 +00:00
2017-02-01 11:24:59 +00:00
[](https://github.com/telegramdesktop/tdesktop/releases)
2019-09-06 05:24:37 +00:00
[](https://github.com/telegramdesktop/tdesktop/actions)
[](https://github.com/telegramdesktop/tdesktop/actions)
2020-01-24 13:35:42 +00:00
[](https://github.com/telegramdesktop/tdesktop/actions)
2016-03-18 20:06:16 +00:00
2017-04-04 12:50:01 +00:00
[![Preview of Telegram Desktop][preview_image]][preview_image_url]
2017-04-04 12:45:42 +00:00
2015-10-03 11:34:56 +00:00
The source code is published under GPLv3 with OpenSSL exception, the license is available [here][license].
2014-05-30 10:09:53 +00:00
2015-09-04 14:26:34 +00:00
## Supported systems
2014-05-30 08:53:19 +00:00
2020-05-08 08:25:48 +00:00
The latest version is available for
* [Windows 7 and above ](https://telegram.org/dl/desktop/win ) ([portable](https://telegram.org/dl/desktop/win_portable))
* [macOS 10.12 and above ](https://telegram.org/dl/desktop/mac )
* [OS X 10.10 and 10.11 ](https://telegram.org/dl/desktop/osx )
* [Linux static build for 64 bit ](https://telegram.org/dl/desktop/linux ) ([32 bit](https://telegram.org/dl/desktop/linux32))
* [Snap ](https://snapcraft.io/telegram-desktop )
* [Flatpak ](https://flathub.org/apps/details/org.telegram.desktop )
## Old system versions
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 )
2014-05-30 08:53:19 +00:00
2016-08-14 19:56:26 +00:00
## Third-party
2014-06-17 05:37:53 +00:00
2020-05-08 08:25:48 +00:00
* Qt 5.12.8, 5.6.2 and 5.3.2 slightly patched ([LGPL](http://doc.qt.io/qt-5/lgpl.html))
* OpenSSL 1.1.1 and 1.0.1 ([OpenSSL License](https://www.openssl.org/source/license.html))
2020-11-16 12:29:24 +00:00
* WebRTC ([New BSD License](https://github.com/desktop-app/tg_owt/blob/master/LICENSE))
2019-12-18 00:33:03 +00:00
* zlib 1.2.11 ([zlib License](http://www.zlib.net/zlib_license.html))
2014-06-17 05:37:53 +00:00
* LZMA SDK 9.20 ([public domain](http://www.7-zip.org/sdk.html))
2014-06-25 20:15:34 +00:00
* liblzma ([public domain](http://tukaani.org/xz/))
2016-02-04 12:44:39 +00:00
* 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))
2017-07-19 18:37:49 +00:00
* GYP ([BSD License](https://github.com/bnoordhuis/gyp/blob/master/LICENSE))
2016-08-14 19:56:26 +00:00
* Ninja ([Apache License 2.0](https://github.com/ninja-build/ninja/blob/master/COPYING))
2018-11-12 19:42:37 +00:00
* OpenAL Soft ([LGPL](https://github.com/kcat/openal-soft/blob/master/COPYING))
2017-07-19 18:37:49 +00:00
* Opus codec ([BSD License](http://www.opus-codec.org/license/))
2015-06-01 12:44:10 +00:00
* FFmpeg ([LGPL](https://www.ffmpeg.org/legal.html))
2017-03-04 08:59:10 +00:00
* Guideline Support Library ([MIT License](https://github.com/Microsoft/GSL/blob/master/LICENSE))
2017-11-19 14:37:07 +00:00
* Range-v3 ([Boost License](https://github.com/ericniebler/range-v3/blob/master/LICENSE.txt))
2015-10-03 11:34:56 +00:00
* Open Sans font ([Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0.html))
2020-05-08 09:38:15 +00:00
* Vazir font ([License](https://github.com/rastikerdar/vazir-font/blob/master/LICENSE))
2017-07-19 18:37:49 +00:00
* Emoji alpha codes ([MIT License](https://github.com/emojione/emojione/blob/master/extras/alpha-codes/LICENSE.md))
2017-08-30 17:36:12 +00:00
* Catch test framework ([Boost License](https://github.com/philsquared/Catch/blob/master/LICENSE.txt))
2018-07-30 18:30:26 +00:00
* xxHash ([BSD License](https://github.com/Cyan4973/xxHash/blob/dev/LICENSE))
2019-12-06 08:39:13 +00:00
* QR Code generator ([MIT License](https://github.com/nayuki/QR-Code-generator#license))
2019-12-18 00:33:03 +00:00
* CMake ([New BSD License](https://github.com/Kitware/CMake/blob/master/Copyright.txt))
2020-03-14 07:37:13 +00:00
* Hunspell ([GPL](https://github.com/hunspell/hunspell/blob/master/COPYING))
2014-05-30 08:53:19 +00:00
2015-09-04 14:26:34 +00:00
## Build instructions
2014-05-30 08:53:19 +00:00
2019-04-03 18:51:14 +00:00
* [Visual Studio 2019][msvc]
2020-10-30 18:30:55 +00:00
* [Xcode 12][xcode]
2020-02-25 13:56:11 +00:00
* [CMake on GNU/Linux][cmake]
2014-05-30 08:53:19 +00:00
2015-09-04 14:26:34 +00:00
[//]: # (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
2017-04-04 12:40:49 +00:00
[msvc]: docs/building-msvc.md
[xcode]: docs/building-xcode.md
[xcode_old]: docs/building-xcode-old.md
[cmake]: docs/building-cmake.md
2017-04-04 12:45:42 +00:00
[preview_image]: https://github.com/telegramdesktop/tdesktop/blob/dev/docs/assets/preview.png "Preview of Telegram Desktop"
2017-04-04 12:50:01 +00:00
[preview_image_url]: https://raw.githubusercontent.com/telegramdesktop/tdesktop/dev/docs/assets/preview.png
