Intel Haswell HD Graphics - GT1ULT Windows Driver:

The Intel Haswell HD Graphics - GT1ULTIntel HD Graphics 4000 or Intel HD Graphics 4600, depending on the specific CPU. The "GT1ULT" designation typically refers to a low-power or ultra-low power variant of the GPU integrated into a mobile or ultrabook CPU.

These integrated graphics are responsible for rendering graphics for a range of applications, from basic desktop use to video playback, light gaming, and productivity tasks. The driver for the HD Graphics ensures that the system can utilize the GPU for graphics acceleration, display management, and other multimedia features.