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

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Decide which documents to recover from an unexpected close, delete recovered files you don't want, or close recovered files to review later.

With online threats getting more advanced day by day, it is important to prioritize the safety of your web browsing. Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

了解如何安装 Windows 11，包括在“设置”中访问 Windows 更新页的建议选项。