Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Add voting buttons to a message so that recipients can vote; results are tracked automatically in Outlook.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Windows で Bluetooth デバイスを接続し、Bluetooth ペアリング設定を調整する方法について説明します。

Summary. Windows 10, versions 2004, 20H2, 21H1, and 21H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 21H2 are included in the latest monthly quality update for Windows 10, version 2004, 20H2, and 21H1, but are in an inactive and dormant state.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)