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KB5012170: Security update for Secure Boot DBX
Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:
Windows 更新疑难解答 - Microsoft 支持
了解如何运行 Windows 更新疑难解答来解决下载或安装 Windows 更新时出现的错误。
Conectarse a una red Wi-Fi en Windows - Soporte técnico de Microsoft
Aprende a conectarte a una red Wi-Fi en Windows y administrar las conexiones de red actuales.
Returning items you bought from Microsoft for exchange or refund
Learn how to receive a refund or exchange for items purchased from Microsoft.
Applies To: Microsoft account dashboard
Business Assist for Microsoft 365 - Microsoft Support
Get the most out of your subscription with expert advice and support from small business advisors. Business Assist for Microsoft 365 is designed for small businesses to give you and your employees around-the-clock access to small business advisors as you grow your business, from onboarding to everyday use.
Applies To: Microsoft 365 Apps for business, Microsoft 365 Business Premium
Como usar o aplicativo Verificação de integridade do PC
O aplicativo Verificação de integridade do PC traz informações atualizadas sobre o seu dispositivo Windows, ajudando você a tomar medidas para melhorar o desempenho do dispositivo e solucionar problemas de desempenho.
Fix Bluetooth problems in Windows - Microsoft Support
Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.
Speech, voice activation, inking, typing, and privacy
Learn more about the privacy settings for speech, voice activation, inking, and typing in Windows.
Download files and folders from OneDrive or SharePoint
Learn how to download files or folders in OneDrive and OneDrive for Business.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, SharePoint in Microsoft 365 Small Business
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.