Before you begin, make sure your PC or Mac meets the system requirements. If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.

Android (6.0+)、Android 平板电脑、iPhone 和 iPad 从 聊天，点击 个人资料图片. 注意：可以点击 QR 码 按钮旁边的个人资料图片，以快速与朋友和家人共享唯一 QR 码。 水龙头 Skype 配置文件，然后点击 共享个人资料. 在 共享和连接...

借助提示和资源自行进行疑难解答以解决 Windows 蓝屏错误；如果你需要更多帮助，请联系 Microsoft 支持。

SQL Server 支持到其他 OLE DB 数据源的永久性连接或临时连接。 永久性连接叫做链接服务器；为单个查询建立的临时连接叫做分布式查询。 Microsoft Excel 工作簿是一种可通过 SQL Server 以这种方式查询的 OLE DB 数据源。

What's new: Xbox system updates. The list below contains current Xbox operating system (OS) version numbers for 2024, the features that have been added or updated, and the known issues that we’re currently tracking. To find your console’s OS version:

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。.

Step 1: Reset your console. You can reset your console from the Xbox Startup Troubleshooter. From the Something went wrong screen, select Troubleshoot to open the Xbox Startup Troubleshooter. If you need to manually bring up the Xbox Startup Troubleshooter, follow these steps:

How to link your devices starting from Phone Link. Make sure to have both your PC and Android device nearby, turned on, and connected to the same Wi-Fi network. If you start from your PC: In the search box on the taskbar, type Phone Link , and then select the Phone Link from the results.

Cast to a display from a 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.

Sign in so we can get you the right help and support. Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot. Dynamics 365. Intune. Azure. Server products.