GeForce Experience is the companion application to your GeForce GTX graphics card. It keeps your drivers up to date, automatically optimizes your game settings, and gives you the easiest way to share your greatest gaming moments with friends. ... GeForce Experience provides optimal settings for over 350 games.

Do I need GeForce Experience software?

You don't need it. But it does streamline some tasks (such as driver tweaking, video recording and Twitch streaming) pretty well. It's a convenience, but far from essential.

How bad is GeForce Experience?

GeForce Experience is installed by default on systems running NVIDIA GeForce products, Nvidia's brand of GPUs. The most severe flaw of the two (CVE-2020-5977) can lead to a slew of malicious attacks on affected systems – including code execution, denial of service, escalation of privileges and information disclosure.