NVIDIA and Microsoft launch RTX Spark for Windows AI agents

AI summary

NVIDIA and Microsoft announced new Windows PC hardware and software built for local AI agents, including Microsoft Execution Containers (MXC) for secure, persistent agent execution. They also introduced RTX Spark laptops and compact desktops that integrate the NVIDIA AI stack, Blackwell RTX GPUs, Grace CPUs, and up to 128GB of unified memory for running large models on-device.