Moonlight‑Qt is an open‑source client that lets users stream games and desktop sessions from a PC running NVIDIA GameStream or the open‑source Sunshine server to Windows, macOS, Linux, Steam Link and various ARM devices. It provides hardware‑accelerated video (H.264/HEVC/AV1), HDR, surround‑sound and gamepad support, making it a cross‑platform solution for gamers and anyone who wants low‑latency remote PC access.