Screen mirroring and projecting to your PC or wireless display
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.
激活 Office - Microsoft 支持
激活 Microsoft 365 或非订阅版本的 Office. 当启动未激活的 Microsoft 365 应用时，系统将提示登录到 Microsoft 365。. 请务必使用用于购买或订阅 Microsoft 365 的 Microsoft 帐户或工作或学校帐户进行登录。. 注意: 如果新设备上预安装了 Microsoft 365，请参阅 激活新 Windows 设备上 ...
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 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
重置忘记的 Microsoft 帐户密码 - Microsoft 支持
访问已死亡者的帐户. 了解如何重置更改 Microsoft 帐户密码。. 获取有关忘记 Microsoft 帐户密码的帮助。.
适用于:
Microsoft 帐户仪表板
解决 Windows 中的蓝屏错误 - Microsoft 支持
解决 Windows 中的蓝屏错误. Windows 11 Windows 10. 如果某个严重问题导致 Windows 意外关闭或重启，则会出现蓝屏错误（有时也称为黑屏错误或终止代码错误）。. 你可能会看到一条消息，指出“Windows 已关闭，以防止损坏你的计算机”或类似消息。. 这些错误可能是由 ...
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
Windows 下载 - Microsoft 支持
它们不再可供下载。. 可以 在此处详细了解Windows 10。. Windows Media Player 可视化效果. Windows Media Player 插件. 桌面主题和壁纸. 可视化效果是在 Windows Media Player 的“正在播放”模式下随着音乐而变化的颜色、形状和样式。. 可通过插件或加载项向 Windows Media Player 中 ...
Download the new Microsoft Edge based on Chromium
With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need. Try the new Microsoft Edge now. Learn how to download the new version of Microosft Edge, based on Chromium.
Create installation media for Windows - Microsoft Support
You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.
Recover lost or deleted files - Microsoft Support
If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.