某些Windows 11电脑可以根据内置屏幕上显示的内容自动调整屏幕亮度和对比度。 例如，如果你正在观看一个具有深色场景的视频，然后是一个更亮的场景 (例如显示晴朗的晴天) ，则亮度和对比度可能会改变。

Here’s how to reinstall Microsoft Edge whether you’re a Windows or Mac user: Open any working browser. (Note: If you’re a Windows user and your Microsoft Edge is not currently functioning, to open Internet Explorer, type IE in the search box on the taskbar and then select Internet Explorer from the results.Or press the Windows logo key on your keyboard and then type IE in the search bar.)

Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.

If you don't have meeting scheduling capability in Outlook or Teams, starting an instant meeting is a great option. Just like with scheduled meetings, everyone who attends your meeting will continue to have access to the meeting chat, the recording, and anything else people share in the meeting (like files and meeting notes), even after the meeting ends.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

“我的帐户”门户通过设置和管理安全信息、管理连接的组织和设备或查看组织使用数据的方式，帮助你管理工作或学校帐户。. 若要登录到工作或学校帐户，请转到 myaccount.microsoft.com 或选择下面的“ 登录 ”。 登录. 另请参阅. 详细了解工作或学校帐户. 登录到 Windows. 登录 Office

Unplug the network cable from the back of your console. Inspect the cable’s connector and the Xbox console’s socket to make sure that they are clean and free of debris.

Learn about Xbox online safety so you can manage your family's accounts.

Microsoft Copilot is an AI-powered digital assistant designed to help users with a range of tasks and activities on their devices. It can create drafts of content, suggest different ways to word something you've written, suggest and insert images, create PowerPoint presentations from your Word documents and many other helpful things.