检查你的 DirectX 版本 - Microsoft 支持
检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。
Product activation for Windows – online & support telephone numbers
Learn how to activate Windows using an internet connection, automated system, or live support advocate.
Troubleshooting verification code issues - Microsoft Support
Learn what you can do if you're not receiving account aign-in verification codes.
Applies To:
Microsoft account dashboard
重新安装 Windows - Microsoft 支持
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。
Filter junk email and spam in Outlook - Microsoft Support
Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.
Applies To:
Office for business, Office 365 Small Business, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Download and install Microsoft 365 Access Runtime
Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.
Applies To:
Access for Microsoft 365, Access 2021, Office 2021, Access 2019, Office 2019
How do I create a new account for Skype? - Microsoft Support
How do I create a new account for Skype? Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
如何在 Windows 中使用多台显示器 - Microsoft 支持
提示: 如果你使用的是无线显示适配卡，请在较新的电视上连接到 HDMI 端口，然后通过无线方式将电脑与其连接。将无线显示适配器连接到电视后，请转到 Windows 11 电脑上，按 Windows 徽标键 + K 打开投放，然后选择无线显示适配器。
Restore deleted files or folders in OneDrive - Microsoft Support
Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Pin, remove, and customize in Quick access - Microsoft Support
Pin, remove, and customize in Quick access. By default, File Explorer opens to Quick Access. You can set a folder to show up in Quick access so it'll be easy to find.