Moonlight PC

Moonlight PC is an open source implementation of NVIDIA's GameStream, as used by the NVIDIA Shield, but built to run on Windows, Mac, and Linux. This client is the successor to Moonlight Chrome for streaming on PC.

Moonlight also has mobile versions for Android and iOS.

You can follow development on our Discord server.

Features

Hardware accelerated video decoding on Windows, Mac, and Linux
Supports streaming at up to 120 FPS (high refresh rate monitor recommended)
Supports streaming at 720p, 1080p, 1440p, 4K, and the client PC's native screen resolution
7.1 surround sound audio support
Support for both pointer capture (for games) and direct mouse control (for remote desktop)
Support for passing system-wide keyboard shortcuts like Alt+Tab to the host in fullscreen mode
Direct touchscreen mouse control
HEVC support for better image quality at reduced bandwidth
Gamepad support with force feedback for up to 4 players

Downloads

Building

Windows Build Requirements

Qt 5.15 SDK or later
Windows 7 or later
Visual Studio 2019 (Community edition is fine)
Select MSVC 2019 option during Qt installation. MinGW is not supported.
7-Zip (only if building installers for non-development PCs)
WiX Toolset v3.11 or later (only if building installers for non-development PCs)

macOS Build Requirements

Qt 5.15 SDK or later
macOS High Sierra (10.13) or later
Xcode 11
create-dmg (only if building DMGs for use on non-development Macs)

Linux/Unix Build Requirements

Qt 5.9 SDK or later
GCC or Clang
Install the required packages:
- Debian/Ubuntu: libegl1-mesa-dev libgl1-mesa-dev libopus-dev libqt5svg5-dev libsdl2-dev libsdl2-ttf-dev libssl-dev libavcodec-dev libva-dev libvdpau-dev libxkbcommon-dev qt5-default qt5-qmake qtbase5-dev qtdeclarative5-dev qtquickcontrols2-5-dev wayland-protocols qml-module-qtquick-controls2 qml-module-qtquick-layouts qml-module-qtquick-window2 qml-module-qtquick2
- RedHat/Fedora: openssl-devel qt5-devel SDL2-devel ffmpeg-devel qt5-qtquickcontrols2-devel libva-devel libvdpau-devel opus-devel pulseaudio-libs-devel alsa-lib-devel SDL2_ttf-devel
FFmpeg 4.0+ is required to build. If your distro doesn't package FFmpeg 4.0 or later, you can build and install it from source on https://ffmpeg.org/

Steam Link Build Requirements

Steam Link SDK cloned on your build system
STEAMLINK_SDK_PATH environment variable set to the Steam Link SDK path

Build Setup Steps

Install the latest Qt SDK (and optionally, the Qt Creator IDE) from https://www.qt.io/download
- You can install Qt via Homebrew on macOS, but you will need to use brew install qt --with-debug to be able to create debug builds of Moonlight.
- You may also use your Linux distro's package manager for the Qt SDK as long as the packages are Qt 5.9 or later.
- This step is not required for building on Steam Link, because the Steam Link SDK includes Qt 5.9.
Run git submodule update --init --recursive from within moonlight-qt/
Open the project in Qt Creator or build from qmake on the command line.
- To build a binary for use on non-development machines, use the scripts in the scripts folder.
  - For Windows builds, use scripts\build-arch.bat and scripts\generate-bundle.bat. Execute these scripts from the root of the repository within a Qt command prompt. Ensure WiX and 7-Zip binary directories are in your %PATH%.
  - For macOS builds, use scripts/generate-dmg.sh. Execute this script from the root of the repository and ensure Qt's bin folder is in your $PATH.
  - For Steam Link builds, run scripts/build-steamlink-app.sh from the root of the repository.
- To build from the command line for development use, run qmake moonlight-qt.pro then make debug or make release

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Check out our website for project links and information.

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