Telegram Desktop: Official cross-platform messaging client

Official Telegram desktop client for Windows, macOS, and Linux using the MTProto secure protocol.

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Learn more about Telegram Desktop

Telegram Desktop is the official desktop client implementation for the Telegram messaging platform, distributed as native applications across major operating systems. The application is built using Qt framework and communicates with Telegram servers through the MTProto secure protocol and Telegram API. The codebase is written in C++ and includes integrations with WebRTC for voice/video calls, FFmpeg for media processing, and OpenSSL for cryptographic operations. It serves as the primary desktop interface for Telegram users requiring full-featured messaging capabilities on desktop environments.

Open Source Implementation

Complete source code is available under GPLv3 license with OpenSSL exception. The repository includes full build instructions and dependency management for all supported platforms.

MTProto Protocol

Uses Telegram's proprietary MTProto secure protocol for end-to-end encryption and secure communication. Implements the full Telegram API specification for feature parity with other official clients.

Cross-Platform Architecture

Built on Qt framework providing native performance across Windows, macOS, and Linux. Supports both 32-bit and 64-bit architectures with portable deployment options.