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

Learn how you can manage cookies and site data you've temporarily allowed in Microsoft Edge.

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

Collections in Microsoft Edge helps you keep track of your ideas on the web, whether you're shopping, planning a trip, collecting notes for research or lesson plans, or just want to pick up where you left off the last time you were browsing the internet.

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Get support for all Office.com apps, including Excel, Word, and PowerPoint, with step-by-step guidance and troubleshooting.

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

Learn how to change your notification settings and quick actions using the notification center in Windows.

使用 Windows 中的“设置”应用通过蓝牙发送文件。

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