77 lines
4.5 KiB
Markdown
77 lines
4.5 KiB
Markdown
# [Telegram Desktop][telegram_desktop] – Official Messenger
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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.
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[](https://github.com/telegramdesktop/tdesktop/releases)
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[](https://github.com/telegramdesktop/tdesktop/actions)
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[](https://github.com/telegramdesktop/tdesktop/actions)
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[](https://github.com/telegramdesktop/tdesktop/actions)
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[![Preview of Telegram Desktop][preview_image]][preview_image_url]
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The source code is published under GPLv3 with OpenSSL exception, the license is available [here][license].
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## Supported systems
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The latest version is available for
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* [Windows 7 and above](https://telegram.org/dl/desktop/win) ([portable](https://telegram.org/dl/desktop/win_portable))
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* [macOS 10.12 and above](https://telegram.org/dl/desktop/mac)
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* [OS X 10.10 and 10.11](https://telegram.org/dl/desktop/osx)
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* [Linux static build for 64 bit](https://telegram.org/dl/desktop/linux) ([32 bit](https://telegram.org/dl/desktop/linux32))
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* [Snap](https://snapcraft.io/telegram-desktop)
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* [Flatpak](https://flathub.org/apps/details/org.telegram.desktop)
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## Old system versions
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Version **1.8.15** was the last that supports older systems
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* [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))
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* [OS X 10.8 and 10.9](https://updates.tdesktop.com/tmac/tsetup.1.8.15.dmg)
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* [OS X 10.6 and 10.7](https://updates.tdesktop.com/tmac32/tsetup32.1.8.15.dmg)
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## Third-party
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* Qt 5.15.2, 5.6.2 and 5.3.2 slightly patched ([LGPL](http://doc.qt.io/qt-5/lgpl.html))
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* OpenSSL 1.1.1 and 1.0.1 ([OpenSSL License](https://www.openssl.org/source/license.html))
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* WebRTC ([New BSD License](https://github.com/desktop-app/tg_owt/blob/master/LICENSE))
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* zlib 1.2.11 ([zlib License](http://www.zlib.net/zlib_license.html))
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* LZMA SDK 9.20 ([public domain](http://www.7-zip.org/sdk.html))
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* liblzma ([public domain](http://tukaani.org/xz/))
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* Google Breakpad ([License](https://chromium.googlesource.com/breakpad/breakpad/+/master/LICENSE))
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* Google Crashpad ([Apache License 2.0](https://chromium.googlesource.com/crashpad/crashpad/+/master/LICENSE))
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* GYP ([BSD License](https://github.com/bnoordhuis/gyp/blob/master/LICENSE))
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* Ninja ([Apache License 2.0](https://github.com/ninja-build/ninja/blob/master/COPYING))
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* OpenAL Soft ([LGPL](https://github.com/kcat/openal-soft/blob/master/COPYING))
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* Opus codec ([BSD License](http://www.opus-codec.org/license/))
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* FFmpeg ([LGPL](https://www.ffmpeg.org/legal.html))
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* Guideline Support Library ([MIT License](https://github.com/Microsoft/GSL/blob/master/LICENSE))
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* Range-v3 ([Boost License](https://github.com/ericniebler/range-v3/blob/master/LICENSE.txt))
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* Open Sans font ([Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0.html))
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* Vazir font ([License](https://github.com/rastikerdar/vazir-font/blob/master/LICENSE))
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* Emoji alpha codes ([MIT License](https://github.com/emojione/emojione/blob/master/extras/alpha-codes/LICENSE.md))
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* Catch test framework ([Boost License](https://github.com/philsquared/Catch/blob/master/LICENSE.txt))
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* xxHash ([BSD License](https://github.com/Cyan4973/xxHash/blob/dev/LICENSE))
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* QR Code generator ([MIT License](https://github.com/nayuki/QR-Code-generator#license))
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* CMake ([New BSD License](https://github.com/Kitware/CMake/blob/master/Copyright.txt))
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* Hunspell ([GPL](https://github.com/hunspell/hunspell/blob/master/COPYING))
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## Build instructions
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* [Visual Studio 2019][msvc]
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* [Xcode 12][xcode]
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* [CMake on GNU/Linux][cmake]
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[//]: # (LINKS)
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[telegram]: https://telegram.org
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[telegram_desktop]: https://desktop.telegram.org
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[telegram_api]: https://core.telegram.org
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[telegram_proto]: https://core.telegram.org/mtproto
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[license]: LICENSE
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[msvc]: docs/building-msvc.md
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[xcode]: docs/building-xcode.md
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[xcode_old]: docs/building-xcode-old.md
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[cmake]: docs/building-cmake.md
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[preview_image]: https://github.com/telegramdesktop/tdesktop/blob/dev/docs/assets/preview.png "Preview of Telegram Desktop"
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[preview_image_url]: https://raw.githubusercontent.com/telegramdesktop/tdesktop/dev/docs/assets/preview.png
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