There was no Update on the 26th. MSFS always checks for updates on startup and maybe that is what you are seeing. The latest version number is 1.36.2.0
And typically updates have been released on Thursdays.
Video drivers are paired with your video card, not your game/program. There is no such thing as a FS2004 video driver, just like there is no such thing as a P3D video driver. So make your changes in your Nvidia Control panel.