Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365

了解如何在电脑上重新安装 Windows，以及安装 Windows 后激活的工作原理。

Learn how to edit, upload, and manage your game clips and screenshots.

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Find out how to change privacy settings for your camera and microphone in Windows.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

Create an alias to give you an additional email address which uses the same inbox, contact list, and account settings as your primary email address in Outlook.com.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Apply the latest Office Theme (font and colors) to your Microsoft 365 applications.