Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Fix sound or audio problems in Windows - Microsoft Support
Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).
Sign in to SharePoint - Microsoft Support
SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.
Applies To: SharePoint in Microsoft 365
Welcome to Copilot on Windows - Microsoft Support
Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.
Which version of Windows operating system am I running?
Under Device specifications > System type , see if you're running a 32-bit or 64-bit version of Windows. Under Windows specifications, check which edition and version of Windows your device is running. If you're having a problem with activation, see Activate in Windows.
Adjust capture settings on Windows | Xbox Support
You can adjust the recorded audio quality by selecting a bitrate from the dropdown menu. You can adjust the system and mic audio levels while recording by moving the sliders. Set either of these sliders to 0 if you want to completely mute your mic or system audio.
Repair apps and programs in Windows - Microsoft Support
You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page. Select Start > Settings > Apps > Apps & features. Apps & features in Settings.
Get to know Game Bar on Windows | Xbox Support
Use Game Bar to play and chat with friends. Performance (9) – Track your game’s frames-per-second (FPS) and other real-time stats. For more info, go to: Track your PC’s performance with Game Bar. Resources (10) – See what apps and processes are using system resources to help you optimize gaming performance.
ChatGPT 与 Microsoft Copilot:有什么区别? - Microsoft 支持
ChatGPT 和MicrosoftCopilot 都是人工智能 (AI) 技术,旨在帮助你更快、更高效地完成任务和活动。. 尽管它们看起来类似,但两者之间存在显著差异。. 请继续阅读,了解这些工具如何由 AI 支持,以及它们可发挥哪些作用来帮助你最大化利用时间、创造力和生产力。.
Error 0x803f8007 occurs when you try to start an Xbox One game or game ...
Learn how to fix error 0x803f8007 if it occurs when you try to launch an Xbox One game or game add-on.
Open .eml, .msg, and .oft files in Outlook - Microsoft Support
Open .eml, .msg, and .oft files in Outlook. New Outlook for Windows. You can use drag and drop to open email messages saved with the extension .eml, .msg, .oft in new Outlook for Windows. Note: You must have an active Internet connection to open these file types.
Applies To: New Outlook for Windows