NVIDIA GeForce NOW is a cloud gaming service that allows users to stream video games directly to their devices without the need for high-end hardware. By leveraging powerful servers, it enables gamers to play demanding titles on various platforms, including PCs, Macs, and mobile devices, using just an internet connection. With NVIDIA GeForce NOW, players can access their existing game libraries from platforms like Steam and Epic Games Store, making it a versatile option for gamers. The service supports a wide range of games and offers features like ray tracing, providing an immersive gaming experience without the need for expensive gaming rigs.