了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。

There are several ways to calculate the difference between two times.

使用 Windows 设置应用更改桌面背景和颜色。

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

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Find and replace basic text. In the upper-right corner of the document, in the search box , type the word or phrase that you want to find, and Word will highlight all instances of the word or phrase throughout the document.. To replace found text: Select the magnifying glass, and then select Replace.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

デバイスに対する管理者特権がない場合はどうなりますか? 新しい Microsoft Edge に完全にアップグレードするには、管理者アカウントを使用してデバイスにサインインする必要があります。

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.