Ways to install Windows 11 - Microsoft Support
Note: To upgrade to Windows 11, devices should meet the Windows 11 minimum system requirements.Some Windows 10 features aren't available in Windows 11. System requirements to experience some Windows 11 features and apps will exceed the Windows 11 minimum system requirements.Find Windows 11 specs, features, and computer requirements
Fix sound or audio problems in Windows - Microsoft Support
If you’re using an external monitor that doesn’t have built-in speakers, make sure that the monitor isn’t already selected as your default output device. if it is, you won’t have any audio. You can check that when you set your default output audio device. Here’s how: Select Start > Settings > System > Sound .
Fix Bluetooth problems in Windows - Microsoft Support
If these steps don't fix your Bluetooth problem, use Windows Feedback Hub to file a bug. This helps Microsoft determine the root cause of the problem. Include details about what you were doing or specific steps you were taking when the problem occurred. For example, if you started having Bluetooth problems after updating Windows or changing ...
Finding your BitLocker recovery key in Windows - Microsoft Support
If you are unable to locate the BitLocker recovery key and can't revert any configuration change that might have caused it to be required, you’ll need to reset your device using one of the Windows recovery options. Resetting your device will remove all of your files.
Update drivers manually in Windows - Microsoft Support
If you can't see the desktop and instead see a blue, black, or blank screen, see Troubleshoot blue screen errors or Troubleshoot black or blank screen errors. Check for Windows updates SUBSCRIBE RSS FEEDS
Turn off, disable, or uninstall OneDrive - Microsoft Support
OneDrive is built in to some versions of Windows and can't be uninstalled. But you can hide it and stop the sync process, so it stays hidden. To do this, turn off all the OneDrive settings and remove the OneDrive folder from File Explorer.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Windows 10 Update Assistant - Microsoft Support
This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.
Download Microsoft Authenticator - Microsoft Support
To install Authenticator on your iOS device. Scan the QR code. or download and install Authenticator from the Apple app store. Get the app