了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

In PowerPoint, learn how to troubleshoot Designer if you don't see the Designer button, no suggestions are offered, or the button is grayed out.

Download the latest internet browser recommended by Microsoft from the official support page.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Learn how to change your account picture in Windows. Choose from pictures on your PC or take a new selfie.

Hotmail est maintenant Outlook.com. Découvrez comment vous connecter pour accéder à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN.

How to stop website notifications in Microsoft Edge. You can remove or block notifications for individual websites in the following ways: Remove or block notifications in Edge settings

Find out how the Windows location service works and how to change the location privacy settings.

Learn how to use InPrivate browsing in Microsoft Edge if you don't want your browsing data saved on your PC.