Cast to an external display from your Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

获取更改 Microsoft Edge、Internet Explorer 11、Google Chrome、Firefox 和 Safari 中的主页的步骤。.

Here's some of the things you can do in the PC Health Check app in Windows: If you’re currently running Windows 10, PC Health Check provides a comprehensive eligibility check for your device to ensure it meets the Windows 11 minimum system requirements.

Chat online or request a call if available. Contact us. Contact times (Pacific Time) . Phone support. Monday to Friday: 6:00am-5:00pm Saturday to Sunday: 6:00am-5:00pm. . Web chat. Monday to Sunday: 24 hours a day. Disability answer desk. Accessible help and resources to get your Xbox questions answered. Get answers. Try our virtual agent.

通过云游戏和安装来玩 Xbox 主机游戏. 了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。.

Request an Xbox controller replacement. If your controller isn’t working and needs replacing, enter the controller’s serial number at the bottom of this page. You can find the serial number inside the battery compartment, below the barcode.

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。. 提示: 如果你是小型 ...

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.

终止支持常见问题解答. 服务版本的 Windows 10：常见问题解答. 为Windows 11升级做好准备. 终止对Windows 10、Windows 8.1和 Windows 7 的支持. Windows 8.1 支持将于 2023 年 1 月 10 日终止.

在本页面的左侧，你将找到针对此版本的 Windows 发布的所有更新。. 你还可以找到有关版本和任何已知问题的更多信息。. 安装最新的更新可确保你还获得任何你可能错过的以前更新，包括任何重要的安全修补程序。. 有关更新以及如何获取更新的详细信息，请 ...