About Genuine Windows - Microsoft Support
Find answers to common questions about genuine Windows software.
Subscriptions & billing | Xbox Support
Get more information about managing your Xbox subscriptions, issues with billing, and more.
Camera doesn't work in Windows - Microsoft Support
Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.
Create or run a macro - Microsoft Support
Learn how to record or create macros and execute them using buttons or keyboard shortcuts in Microsoft Office applications.
Applies To:
Word for Microsoft 365, Word for the web, Word 2021, Word 2019, Word 2016
Manage Xbox online safety and privacy settings | Xbox Support
Learn how to manage the online safety and privacy settings on the Xbox console for you and every member of your family group.
Hardware warranty, services, and repair
Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.
选择 64 位或 32 位版本的 Office - Microsoft 支持
帮助决定应该安装 32 位 Office 版本还是 64 位 Office 版本。 哪个版本适合取决于计划如何使用 Office。 了解如何在 32 位 Office 和 64 位 Office 之间进行选择。
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
What is Data Execution Prevention (DEP)? - Microsoft Support
Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.
桌面主题 - Microsoft 支持
从 Microsoft 获取免费的 Windows 主题，以个性化设置电脑的背景、颜色和声音。