GeForce NOW supports some titles on the Epic Games Store. For a complete list of titles, check out this article here.
Any game supported by GeForce NOW needs to be downloaded through the Epic Games Launcher. You'll be prompted to log in to verify that you own the game before you can install it on GeForce NOW. You'll also need to read and accept any license agreements that are part of the normal download and install experience set by the publisher.
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