Contact - Microsoft Support
Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.
Sign in to Microsoft 365 | Microsoft Support
Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac, Project for Office 365
更新 XBOX 无线控制器 | XBOX Support
使用最新软件更新控制器可最大程度地提高控制器的功能和兼容性。 可以使用 USB 连接，也可以在电脑上使用 XBOX 配件应用，从而以无线方式更新控制器。
解决 Windows 上的 Game Bar 问题 | XBOX Support
尝试为游戏选择其他显示选项，例如无边框窗口。 游戏可能阻止了自定义键盘快捷方式。 请参阅下面的“为什么我的键盘快捷方式对 Game Bar 不起作用？” 部分。 少数计算机和配件不支持 Windows 徽标键。 有关详细信息，请查看设备制造商的网站。 如果键盘上未内置 Windows 徽标键，则创建一个自 ...
联系我们 - Microsoft 支持部门
联系 Microsoft 支持人员。查找常见问题的解决方案，或从支持专员那里获取帮助。
Download Microsoft Authenticator | Microsoft Support
iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.
Activate Windows: Online activation, or Offline activation using your ...
Summary This article explains how to activate Windows online or offline using an Installation ID and Confirmation ID across Windows 11, Windows 10, Windows 8.1/8, Windows 7, Windows Vista, and Windows XP. It explains online activation steps, offline activation through the Product Activation Portal, and three offline workflows: Activation page, SLMGR command prompt, and SLUI command prompt. It ...
查找你的 Windows 产品密钥 | Microsoft Support
了解如何查找用于激活的 Windows 产品密钥，以及何时改用数字许可证。
Applies To:
Microsoft account dashboard
حزم اللغات لـ Windows | Microsoft Support
تعرف على كيفية تنزيل حزم لغات إضافية وتثبيتها وتكوينها لإصدار Windows الخاص بك.
为 Windows 创建安装媒体 | Microsoft Support
安装媒体（如 U 盘）可用于安装 Windows 的新副本、执行 Windows 的全新安装或重新安装 Windows。 若要创建安装媒体，请转到 软件下载网站，可在其中找到分步说明。 在该网站上，可以选择 Windows 版本并在 USB 闪存上创建安装媒体。 或者，可以创建一个 ISO 文件，用于虚拟机 (VM) ，或用于将安装媒体 ...