激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 家庭版, Office 商业版, Office.com, Project for Office 365
Screen mirroring and projecting to your PC or wireless display
Windows 11 Windows 10. 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.
Microsoft 支持
下载 Copilot 应用，免费试用 1 个月的 Copilot Pro。. 获取 Copilot 应用. Copilot Pro 入门. 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。.
更改浏览器主页 - Microsoft 支持
获取更改 Microsoft Edge、Internet Explorer 11、Google Chrome、Firefox 和 Safari 中的主页的步骤。.
Download Microsoft Authenticator - Microsoft Support
Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password. Notes: Microsoft Authenticator is not available for PC or Mac as authenticator apps are typically designed for smartphones for security reasons. Learn more.
Contact Us - Microsoft Support
Help for admins of small businesses. Open a service request in the Microsoft 365 admin center. This service is free. Microsoft Store support. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
欢迎使用 Windows
购买新电脑. 如何知道现在是使用新电脑的时候了. 帮助我选择新的Windows 11电脑. 帮助我选择由 Microsoft 设计的笔记本电脑.
Xbox 移动应用简介 | Xbox Support
获取有关所有 Xbox 移动应用的信息，并了解这些应用对你和你的游戏体验有何帮助。.
“Microsoft 手机连接”和“连接至 Windows” 简介 - Microsoft 支持
连接至 Windows应用预安装在运行 Android 9.0 或更高版本的 Samsung、HONOR、Surface Duo 和 OPPO 设备上。. 在此类设备上，可以通过从屏幕顶部向下轻扫，在 快速设置 菜单下找到“连接至 Windows”应用。. 对于所有其他运行 Android 7.0 或更高版本的 Android 设备，请从 Google Play ...
如何登入 Hotmail - Microsoft Support
您的 Hotmail 或 Outlook.com 密碼與您的 Microsoft 帳戶密碼相同。. 如果您可以登入但遇到 Outlook.com 的問題，請檢查 服務狀態。. 如果狀態不是顯示綠色，請等候該服務正常執行，然後再試一次。. Microsoft 會始終關注不常見的登入活動，以防其他人嘗試進入您的帳戶 ...
适用于:
Outlook.com