Discover the latest features and improvements in Word 2019 for Windows, including smart writing assistance and collaboration tools.

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

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

After you've signed up for Microsoft 365, you and your employees can install your Office apps. From the admin center, select Office software.. Choose a language, and then select Install.. When prompted, select Run.. Select Yes to allow the app to make changes to your device.. The installation may take several minutes, depending on your Internet speed.

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.