The answer to that has never been more confusing, but a new promo video from Microsoft teasing the future of its next-gen gaming hardware lineup gives an important clue: Windows. The company said it wants the OS to be the number one platform for gaming as it doubles down on a new multiplatform strategy that supports a variety of devices rather than being locked to a single console or storefront.

Xbox inked what it called a strategic, multi-year partnership with Advanced Micro Devices to develop custom silicon chips that will power a portfolio of next-generation devices, including future Xbox consoles.