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Build 2026: Microsoft Wants Developers to Build Agentic Applications on Windows

• By David Ramel
• June 2, 2026

Microsoft used its Build 2026 developer conference to outline a vision of Windows as a platform for agentic applications, signaling a shift from AI-assisted software toward software that can perform actions autonomously.

For developers, the announcements were less about new chatbot features and more about the infrastructure needed to build, deploy, and manage AI agents. Across developer sessions and product announcements, Microsoft emphasized tools that allow agents to interact with applications, access system resources, coordinate workflows, and execute tasks within Windows environments.

A central theme was local AI execution. Microsoft expanded its Windows AI APIs, enabling developers to leverage CPUs, GPUs, and neural processing units (NPUs) when building AI-powered applications. The company also highlighted support for local AI models that can run directly on Windows devices, reducing dependence on cloud-hosted inference services.

Developer productivity was another focus area. Microsoft introduced enhancements to Windows Terminal and related tooling designed to support agent-driven workflows. The company is also expanding Linux development capabilities through the Windows Subsystem for Linux (WSL), Linux container support, native command-line utilities, and an Intelligent Terminal experience that incorporates agent-aware functionality.

As AI systems gain the ability to perform actions rather than simply generate responses, Microsoft is also placing greater emphasis on security. Build presentations highlighted execution containers, governance controls, and operating system-level mechanisms designed to limit agent permissions and contain potentially risky behavior.

Many of the conference's AI-related sessions focused on agent orchestration, agent communication protocols, local inference, and deployment frameworks. Collectively, the announcements suggest Microsoft believes developers will increasingly build applications composed of multiple cooperating agents rather than traditional user-driven workflows.

The company's broader message was that Windows should serve as more than a desktop operating system. Microsoft increasingly views it as a foundation for the next generation of AI-native applications, where autonomous software agents operate alongside human users.

Whether agentic computing becomes a mainstream development model remains an open question. However, Build 2026 demonstrated that Microsoft is investing heavily in the APIs, runtimes, tooling, and security frameworks it believes developers will need to build those systems.