February 10, 2026—KB5075904 (OS Build 17763.8389)
Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and ...
How to sign in to Hotmail - Microsoft Support
Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com
Applies To: Outlook.com
Xbox Support
Xbox Support ... Xbox Support
Use the System File Checker tool to repair missing or corrupted system ...
Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.
Change your password in Outlook.com - Microsoft Support
Tip: For additional security, select the optional checkbox which prompts you to update your password every 72 days. For even greater security, you can remove your password or require two steps to sign in. Learn more.
Applies To: Outlook.com
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
How to sign in to Outlook.com - Microsoft Support
Learn how to sign in to your Outlook or Hotmail mailbox using your Microsoft account.
Applies To: Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook 2016 for Mac, Outlook 2013, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App Light, Outlook 2010, Outlook 2007, Outlook for Mac 2011, Microsoft Office, Outlook 2007 Developer, Outlook 2010 Developer, Outlook Calendar for Windows 10, Outlook for Android, Outlook for iOS, Outlook for Windows Phone 10, Outlook Groups for Mobile, Outlook Mail for Windows 10, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
Download OneDrive - Microsoft Support
Keep your files, photos, and videos automatically backed up and available on all your devices.
File Explorer in Windows - Microsoft Support
Find and open File Explorer in Windows, and customize Quick access by pinning and removing files and folders.
在 Windows 中更新音频驱动程序 - Microsoft 支持
使音频驱动程序保持最新状态有助于确保声音在设备上正确播放。 更新的驱动程序可以修复无声音、音频失真、噼啪声或麦克风和头戴显示设备问题等问题。 使用Windows 更新 (推荐) 更新音频驱动程序 Windows 更新是获取最新音频驱动程序的建议方法。 选择“ 开始 > 设置 ”> Windows 更新。 选择“ 检查 ...