Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.

Configure cameras In Camera settings, you can set default settings for each camera. The settings are stored for each camera and each user account—they don't synchronize between multiple Windows devices.

Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

Learn how to locate your Microsoft Office product key, which allows you to activate and use your Office products without requiring a Microsoft account.

Find and download free templates to create documents like calendars, business cards, letters, greeting cards, brochures, newsletters, or resumes.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.