Training: Learn how to create a spreadsheet, enter data, and create a chart in Excel.

Learn which languages are supported in Narrator in Windows and how to adjust your Narrator Settings.

如果尝试登录到帐户，但收到一条消息，表示该帐户被锁定，则这是因为与该帐户关联的活动可能违反了我们的使用条款。. 如何解锁 Microsoft 帐户

了解如何运行 Windows 更新疑难解答来解决下载或安装 Windows 更新时出现的错误。

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Notes about this update. When this update is installed, Windows may attempt to download and install feature updates to your device if it is approaching or has reached the end of support for your currently installed Windows version.

Learn how to identify a phishing scam, designed to steal money via fake emails.

Apply the latest Office Theme (font and colors) to your Microsoft 365 applications.

How to improve gaming on your Windows 11 PC by making use of the optimization for windowed games settings.

The Basics of Search. Returning search results is no easy feat, and involves complex, near-instantaneous algorithmic calculations. A search for something as simple as “cat” could yield over 55 million results.