若要使工作表的某一区域在滚动到工作表的另一区域时仍保持可见，请转到“视图”选项卡，在此选项卡中，可以“冻结窗格”，将特定的行和列锁定到位，也可以“拆分”窗格，创建同一工作表的单独窗口。

If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list.

In Windows 10, action center is where you'll find your app notifications and quick actions—which give you quick access to commonly used settings and apps.

Learn how to use your voice to create and edit documents in Word with the Dictate feature. Find out how to enable, customize, and troubleshoot Dictation.

Operators: The ^ (caret) operator raises a number to a power, and the * (asterisk) operator multiplies. Use + and – add and subtract values, and / to divide.

如何提供反馈？ 如果遇到任何问题或对微软输入法有任何建议，请通过反馈中心向我们提供反馈。 可以在上下文菜单中从"发送反馈"打开反馈中心 (右键单击) 通知区域中 ime 模式图标的菜单或单击此处。 你的反馈将直接发送给我们致力于改进输入法的工程师。

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time

Photos Legacy is the app for Microsoft’s Legacy Collections, Albums, and Video Editor.. Be empowered to do more with your photos and videos. You can view, edit, compare, create albums, and make movies of your special memories easily.

There are several different ways for family members and organizers to leave or be removed from a Microsoft family group depending on their role. Before leaving, family members and organizers should remove saved places and location alerts they would not like to remain in the group. Location alerts must be removed by the individual who set them for saved places to be deleted.

开始演示. 在“幻灯片放映”选项卡上的“开始放映幻灯片”组中，选择“从头开始”。 现在，如果在一台显示器上使用 PowerPoint，并且需要显示演示者视图，请在“幻灯片放映”视图左下角的控制栏上选择 ，然后选择“显示演示者视图”。 使用演示者视图中的控件