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Download and install or reinstall Office 2019, Office 2016, or Office ...
Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).
适用于: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Fix sound or audio problems in Windows - Microsoft Support
Start by running the automated audio troubleshooter in the Get Help app. Get Help automatically runs diagnostics and takes the correct steps to fix most audio issues. Open Get Help. If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: Windows 11 Windows 10. 1.
了解 Windows 上的 Game Bar | Xbox Support
了解 Windows 上的 Game Bar. 打开 Game Bar,在 Windows 10/11 设备上掌控所有你最喜爱的游戏活动。. 注意 若要在 Game Bar 中使用许多 Xbox 功能,必须安装适用于 Windows 的 Xbox 应用并登录。. 有关适用于 Windows 的 Xbox 应用的全部内容.
Screen mirroring and projecting to your PC or wireless display
If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC. Note that you’ll need a device that supports Miracast. Here’s how to mirror another screen or project to your PC. Windows 11 Windows 10.
Request a refund for digital games | Xbox Support
If you pre-ordered a game and want to cancel, you can do so up to 10 days before the game launches at: Order history. After this time, you may be billed, and you’ll need to request a refund to cancel your order. For more info about digital game pre-orders, see: Pre-order Xbox digital games in the Microsoft Store.
Finding your BitLocker recovery key in Windows - Microsoft Support
If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.
尝试在 Xbox One 上玩游戏时出现 0x803F9008 错误
解决方案 1:检查 Xbox Live 服务状态. 查看 Xbox 状态页面。 如果看到任何服务警报,请展开服务,向下滚动到“通知”,然后登录以在服务启动并再次运行时接收消息。 Xbox 状态. 解决方案 2:连接到 Xbox Live. 若要解决这一问题,请连接到 Xbox Live。 方法如下: 按 Xbox 按钮 打开导航页。 选择“连接到 Xbox Live”。 选择“在线”。 如果无法连接到 Xbox Live,请尝试 解决 Xbox One 的网络连接问题 。 解决方案 3:启用我的常用 Xbox. 如果你会定期使用此 Xbox 主机,请将其设为你的常用 Xbox,以便离线玩你拥有的游戏。 有关如何将主机设为常用 Xbox 的信息,请参阅 指定常用 Xbox 。
Uninstall or remove apps and programs in Windows
Windows 10. There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly. Windows 11 Windows 10.
Update Windows - Microsoft Support
In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:
Update drivers manually in Windows - Microsoft Support
Update the device driver. In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver.