To see self-help answers, or to get support via email, Select Help from the top menu then Help. Open the Help pane. Enter your question or issue in the Search Help box on the right, and then press Return. If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need ...

Describes how to obtain the latest version of DirectX to enable games and multimedia applications on your system.

Windows 中的屏幕闪烁问题通常是由显示驱动程序导致的。 若要更新显示驱动程序，需要在安全模式下启动电脑、卸载当前的显示适配器，然后检查驱动程序更新。 获取有关如何修复 Windows 中的屏幕闪烁问题的提示。

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue. Observing Windows in safe mode enables you to narrow down the source of a problem, and can help you troubleshoot problems on your PC.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

SharePoint 产品和下载. “SharePoint”可以指一项或多项 SharePoint 产品或技术，包括：. Microsoft 365 中的SharePoint 由 Microsoft 托管的基于云的服务，适用于各种规模的企业。. 任何企业都可以订阅Microsoft 365 计划或独立 SharePoint Online 服务，而不是在本地安装和部署 ...

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Se não for possível entrar na conta de email do Outlook.com, Hotmail, Live ou MSN, ou se não souber como entrar ou sair, confira algumas soluções.

选择 "开始 "，然后选择 "Power > 休眠" 。. 按键盘Windows徽标键 + X，然后选择"关闭"或注销 ">休眠" 。. 注意: 如果连接到电脑的设备（例如显示器、打印机或扫描仪）在从睡眠状态或休眠状态唤醒后不能正确工作，你可能需要先断开设备连接并重新连接或重新启动 ...

How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.