There is no traditional “driver” for the Samsung Odyssey G40B that improves gaming performance. Focus on firmware updates if you encounter specific bugs, otherwise leave the monitor as-is. Samsung’s INF file is purely cosmetic.
If you see nothing under “Drivers” or “Firmware” — that’s normal. Samsung doesn’t always release updates unless necessary. samsung odyssey g40b drivers upd
Now your monitor’s EDID (Extended Display Identification Data) is correctly loaded. There is no traditional “driver” for the Samsung