Microsoft's Windows and Surface event starts at 1 pm ET, watch it live for more on RTX Spark

Microsoft is hosting a Windows and Surface event today at 1 PM ET, where it is expected to unveil new products, including the Surface Laptop Ultra and potentially the Surface RTX Spark Dev Box.

The event will be attended by Microsoft CEO Satya Nadella, Windows and Devices boss Pavan Davuluri, and Nvidia CEO Jensen Huang.