Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Learn what OneDrive error codes and messages mean and what to do about them.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Get quick answers to common questions and learn how to use Notepad effectively with Microsoft Support.

Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Training: Add animation and effects to text, pictures, shapes, and objects in your PowerPoint presentation. Watch this video to learn how.

Behandeln von Netzwerkproblemen in Windows. Wenn Sie keine E-Mails erhalten, im Web surfen oder Musik streamen können, sind Sie wahrscheinlich nicht mit Ihrem Netzwerk verbunden und können nicht ins Internet gelangen.

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)

Get the latest info on new features for Microsoft Teams with these regularly updated release notes.