Microsoft has unveiled significant updates for Windows aimed at enhancing the security of on-device AI agents. The introduction of Microsoft Execution Containers (MXC) allows developers and IT administrators to define containment policies for AI workloads, which the operating system will enforce. This feature is currently in preview and is designed to simplify the process of running AI-generated code securely. Additionally, OpenClaw, a popular open-source AI agent project from GitHub, is now available for Windows, improving integration and ease of use for developers. Furthermore, Nvidia is collaborating with Microsoft to bring the Nvidia OpenShell Runtime to the platform. Built on MXC, OpenShell provides a secure environment for executing autonomous AI agents. This integration offers features such as policy management, inference routing, and protection for personally identifiable information (PII), ensuring that enterprise-grade security is maintained. With these advancements, organizations can deploy AI agents capable of executing complex workflows while adhering to strict security protocols.