Install Windows Updates | Microsoft Support
Learn how to check for the latest Windows Updates and install them to keep your device running smoothly and securely.
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.
适用于电脑的游戏服务修复工具 | Xbox Support
如果在电脑上安装或更新游戏服务时遇到问题,或者你注意到电脑版 Xbox 应用启动时缺少内容,则可能需要下载并运行适用于电脑的游戏服务修复工具。
XBOX Support
XBOX Support offers help for XBOX, Game Pass, and billing questions. Get advice and customer service in the XBOX Support community.
安装 Windows 11 的方法 | Microsoft Support
重要 更新时间:2025 年 2 月 4 日 此支持文章最初发布于 2021 年 9 月 30 日,即 Windows 11 首次向公众发布时。 在发布时以及时至今日,此支持页面背后的意图是详细介绍在满足 Windows 11 系统要求的设备上安装 Windows 11 的方法。 如果在不符合 Windows 11 系统要求的设备上安装了 Windows 11,Microsoft 建议立即 ...
How to use the PC Health Check app | Microsoft Support
Here's some of the things you can do in the PC Health Check app in Windows: Check Windows 11 eligibility If you’re currently running Windows 10, PC Health Check provides a comprehensive eligibility check for your device to ensure it meets the Windows 11 minimum system requirements.
Sign in to Microsoft 365
For Microsoft 365 or Office apps installed on a Windows PC: If you're not already in a Microsoft 365 or Office file or document, open an app such as Word or Excel, and open an existing file, or create a new one. Select File > Account (or Office Account if you're using Outlook). If you're not already signed in, click Sign In. In the Sign in window, type the email address and password you use ...
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
Download, install, or reinstall Microsoft 365 or Office 2024 on a PC or ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.
Applies To:
Office 2024, Office 2024 for Mac, Microsoft 365 for home, Office 365 Small Business, Microsoft 365 admin, Microsoft 365 for Mac
tokb:install_fixitprocedure - Microsoft 支持
tokenBlock Definition 选择以下按钮,下载并安装 Office 卸载支持工具。 下载 按照以下步骤下载对应于你的浏览器的卸载支持工具。
下載 Microsoft Authenticator | Microsoft Support
注意 Microsoft Authenticator 不適用於 PC 或 Mac,因為驗證器應用程式是基於安全性考量而設計。 深入了解。 Microsoft 不再支援超過一年的 Authenticator 版本。 讓您的裝置隨時保持最新狀態。 中國的使用者請閱讀 如何在中國下載和使用 Microsoft Authenticator。