Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person. Important: This article is about the Microsoft Defender app that ...

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows、Surface 等操作方法的文章、视频和培训。 了解 Microsoft Copilot 在每天使用的应用中使用 AI 助手实现可以想象的任何内容。

依次转到“ 设置及更多 ” >“ 设置 ”>“ Cookie 和站点权限 ”，以查看每个网站的列表，包括位置、Cookie、弹出窗口和媒体自动播放。. 旧版 Microsoft Edge 中的所有数据，包括历史记录、收藏夹、密码等。. 包括许可证、证书和密钥等。. 重启 Microsoft Edge 浏览器后 ...

更改你的玩家代号. 在 Xbox 360 主机上，转到“社交”，然后选择“登录或注销”。. 选择要登录的档案。. 向右滚动到“设置”，然后选择“档案”。. 选择“编辑档案”>“玩家代号”>“输入新的玩家代号”。. 在提供的空处输入新的玩家代号（最多 15 个字符 ...

了解如何在移动设备、Windows 设备或 Xbox 主机上兑换 Microsoft/Xbox 礼品卡或其他代码。按“开始”按钮 ，然后在“搜索”框中输入“商店”。 从结果中选择 Microsoft Store 以打开应用。选择屏幕右上角的帐户，然后选择 兑换充值码或礼品卡。输入由 25 个字符组成的代码，选择 下一步，然后按照提示操作。

To check if Windows 11 is ready for your device, go to Start > Settings > Update & Security > Windows Update and select Check for updates. If the upgrade is available for your device and you want to proceed, download and install it. Note: Downloading and installing Windows 11 will most likely take longer than a typical Windows 10 feature update.

This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.

Find your Office product key. Office 365 Office 2019 Office 2016 Office 2013. Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead. Using product keys with Office.

Select the Network, Sound, or Battery icons ( ) on the far right side of the taskbar to open quick settings. The Disconnected icon appears when you’re not connected. On the Wi-Fi quick setting, select Manage Wi-Fi connections . Choose the Wi-Fi network you want, then select Connect. Type the network password, and then select Next. Fix Wi-Fi ...