Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

获取有关在适用于 Windows 10 和 Mac 的 Microsoft Edge 中将站点添加到收藏夹的步骤。

Before you begin filling out the form. The steps below will help guide you when filling out the account recovery form. It can be a lengthy process as it's designed to ask questions about your account that only you can answer.

如果你使用 InPrivate 标签页或窗口，则当你完成操作后，浏览数据不会保存在你的电脑上。

假设 A 列包含名字，B 列包含姓氏，而你想要将名字和姓氏合并，填充 C 列。 如果通过在列 C 中键入全名建立模式，Excel 的“快速填充”功能将根据提供的模式填充其余内容。

Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.

在 Word 和 Excel for Windows 中显示滚动条. 滚动条可能被手动隐藏。 可以更改此设置以显示滚动条。 单击“文件”>“选项”。

On the Change your password page, enter your current password and then enter your new password. For additional security, select the optional checkbox which prompts you to update your password every 72 days.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.