For the smoothest play, it's a good idea to pair FSR 3 with VSync and a monitor that supports Variable Refresh Rate (VRR). To turn on FSR 3, just head over to the game's Display Settings, find the Upscaling section, and pick the option that fits your setup best.
They value your feedback in this Beta phase—it's crucial for polishing the final update. So, as you explore these new features, Bethesda love to hear about your experiences to help make Starfield even better.