Microsoft released a new feature update for Windows 11, titled "Windows 11 23H2 Update" (Version 23H2), on October 31. This update includes over 150 new features, among which is the AI assistant "Copilot in Windows." Copilot is Microsoft's AI assistant integrated into Windows 11, serving as a sidebar tool within the operating system designed to assist users in various tasks. This AI assistant can answer questions, edit documents, adjust computer settings, and users can obtain operation suggestions by directly asking Copilot. Microsoft announced the introduction of Copilot at the Build developer conference on May 24, 2023, and began public testing in June.