Microsoft Announces Windows 12 with AI Shell, Floating Widgets, and Rust Kernel
Microsoft unveiled Windows 12 at a special event, featuring a deeply integrated AI Copilot Shell, floating widget system, and a kernel rewritten in Rust for security.
In Brief
Windows 12 introduces an AI Copilot Shell at the OS level, a floating widget system, and a Rust-based kernel. Features include natural language system control, Sudo command support, and improved Linux subsystem. Free upgrade for Windows 11 users.
Microsoft officially announced Windows 12 during a special event at its Redmond campus, showcasing what it calls the most significant Windows update since Windows 95. The new operating system features a complete architectural overhaul with an AI Copilot Shell integrated at the system level.
The Copilot Shell is an AI layer that sits between the user and the operating system, capable of understanding natural language commands to control system settings, manage files, and automate workflows. It can generate reports, summarize documents, and even write scripts based on voice or text commands.
Information
Windows 12's kernel has been partially rewritten in Rust, making it the first major OS to adopt Rust for kernel-level security.
A new floating widget system replaces the old widget board, allowing users to place customizable modules anywhere on the desktop. Widgets support live data from third-party apps and can be grouped into contextual workspaces.
“Windows 12 represents a fundamental rethinking of what an operating system should be. AI isn't a feature — it is the operating system.”
— Satya Nadella, Microsoft CEO
The update also introduces native Sudo command support, improved Linux subsystem with full GUI app support, and a Tabbed File Explorer that has been the most requested feature for years. Windows 12 will be available as a free upgrade for Windows 11 users starting October 1, 2026.
Key Takeaways
- 01AI Copilot Shell is integrated at the operating system level, understanding natural language for system control
- 02Kernel partially rewritten in Rust — the first major OS to adopt Rust for kernel security
- 03Floating widget system replaces the widget board with customizable desktop modules
- 04Native Sudo support and improved Linux subsystem with full GUI app compatibility
- 05Free upgrade for Windows 11 users available starting October 1, 2026
Frequently Asked Questions
When can I upgrade to Windows 12?
Windows 12 will be available as a free upgrade for Windows 11 users starting October 1, 2026. New PCs will ship with Windows 12 pre-installed from October 15.
What are the system requirements for Windows 12?
Microsoft recommends a 2021 or newer processor, 8GB RAM minimum (16GB recommended), and an SSD with at least 64GB storage. A Copilot+ NPU is recommended for full AI features.
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