Learn how to install Office 2010, or install and remove individual Office programs or components for both 32-bit and 64-bit versions of Office.

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。 DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results.

Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

如果你没有活动的 Internet 连接或者遇到了速度缓慢或连接不可靠的问题，使用 Office 脱机安装程序安装 Office 2016 或 Office 2013。

Fixes an issue in which applications that use the MFC library of Visual C++ 2013 may behave incorrectly when the operating system is in high-DPI mode.

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

How to open all of your Favorites Bar shortcuts in the Microsoft Edge web browser.