Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Windows 11的重新安装类型 下图提供了有关每种重新安装类型可以选择的不同选项的信息，包括应用、文件、个人数据以及重新安装所需的磁盘空间量。 使用此图表可帮助你决定使用哪个选项重新安装Windows 11。

Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.

Getting started with the new Outlook for Windows The new Outlook for Windows brings the latest features, intelligent assisted capabilities and a new modern and simplified design to your Outlook app. You can tailor it to your style and do more with new Outlook for Windows!

我们最新的演变带来了一个新的名称，以统一我们所有用户的体验。 借此，我们将引入 Microsoft 手机连接 作为电脑应用体验，并将 连接至 Windows 作为我们针对 Android 设备的移动应用。

Microsoft 365 for business Try searching our online help. Get answers in the Microsoft 365 community forums. Sign in to Microsoft 365 admin center with your Microsoft 365 admin account, and select Support > Help and support, enter your question and select Contact support. If you're an admin on the account you can also call (800) 865-9408 (toll-free, US only). If you’re outside the United ...

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

DirectX 简介 DirectX 是 Windows 中的一组组件，允许软件（主要且尤其是游戏）直接与视频和音频硬件结合使用。 使用 DirectX 的游戏可以更有效地使用内置于硬件的多媒体加速器功能，从而改善你的整体多媒体体验。 本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

Use multiple desktops in Windows to organize projects, or quickly switch between desktops before a meeting.