Windows 激活方法. 取决于你获取 Windows 11 副本的方式，你需要数字许可证或由 25 个字符组成的产品密钥才能激活该副本。. 如果二者都不具备，则无法激活你的设备。. 数字许可证（在 Windows 11 版本中称为数字授权）是 Windows 11 的一种激活方法，该方法不需要输入 ...

如何開啟 [電腦健康情況檢查] 在 Windows 中，使用工作列上的 [搜尋] 來搜尋 [電腦健康情況檢查]，然後從結果清單中選取。. 如果有可用的 [電腦健康情況檢查] 更新，您可以快速安裝最新版本。. 如果您沒有安裝電腦健康情況檢查，您可以移至 HTTPs://aka.ms ...

Learn Excel skills from beginner to advanced with video tutorials, templates, and tips from Microsoft Support.

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

了解如何重置更改 Microsoft 帐户密码。 获取有关忘记 Microsoft 帐户密码的帮助。 重要: 如果看不到用于在何处发送代码的选项，或者你不再有权访问显示的任何验证选项，请使用此登录帮助程序工具。 如果无法识别任何验证电子邮件或电话选项，请使用此登录帮助程序工具。

若要计算两个日期之间的差值，请使用 DATEDIF 函数。. 首先将开始日期放入一个单元格，并将结束日期置于另一个单元格。. 然后键入一个如下所示的公式。. 警告: 如果 Start_date 大于 End_date ，结果将会是 #NUM!

Welcome to the MSN home page. The new MSN website brings you the best in online information and is uniquely yours across the different devices you might use throughout your day. You can stay connected to the best of our services in order to complete your daily tasks and you can customize and organize your home page to suit your interests.

You can choose your desktop background and change it at any time. Select Start > Settings > Personalization > Background. In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day). Note: If you can't select the Windows Spotlight option, your ...

Copilot 旨在以简便方式提供 AI 支持的帮助，使你能够在 Windows 上与生成式 AI 无缝互动。. 你可以像使用其他 Windows 应用一样，在 Copilot 中调整大小、移动和使用 贴靠助手 。. 可以使用 Alt + Tab 在 Copilot 和其他打开的应用之间切换焦点。. 如果需要关闭 Copilot，只需 ...

Plan and schedule a live event. Fun stuff for chats. Video Conferencing. Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.