: There are no official Windows 11 drivers specifically designed for this card. The newest official driver available is for Windows 10, released around 2018.
If you're currently using a GTX 550 Ti and are considering upgrading to Windows 11, there are a few things to keep in mind: gtx 550 ti windows 11
: Users often find success manually installing the Windows 10 64-bit driver (version 391.35 is the final official release for Fermi cards). Windows 11 is built on the same core architecture as Windows 10, so these drivers typically function for basic display and older games. : There are no official Windows 11 drivers