Choose between the 64-bit or 32-bit version of Office
Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office. Find out about choosing between 32-bit Office and 64-bit Office.
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
Fix problems with the Start menu - Microsoft Support
Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。
Control the formatting when you paste text - Microsoft Support
In Word, you can choose to paste text using the formatting of the source, destination, or just pure text. If you always want one of the options, set it as the default for pasted text.
Applies To:
Word for Microsoft 365, Word 2021, Word 2019, Word 2016, Word 2013
Open and run DxDiag.exe - Microsoft Support
Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.
Camera app shows error "0xA00F4244 NoCamerasAreAttached"
Get help when Windows can't find the camera
Web で Microsoft Teams を使用する - Microsoft サポート
Microsoft Teams Web アプリは、Chrome、Firefox、Internet Explorer を含むほとんどのデスクトップ ブラウザーで動作します。
Applies To:
Microsoft Teams
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：
Enforcements | Xbox Support
Find out how to submit a case review and learn more about your Xbox enforcements.
Microsoft 日语输入法 - Microsoft 支持
本页可帮助你了解如何使用 Microsoft 日语输入法，包括输入法功能和键盘快捷方式。