Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription. Learn more at Getting started with Microsoft Defender.

某些电脑可能允许 Windows 根据当前照明条件自动调整屏幕亮度。 若要了解你的电脑是否支持此功能，请选择"设置>"> 显示"。 选择 "亮度 "，查找"照明更改 时 自动更改亮度"复选框，然后选择它以使用此功能。 此自动设置有助于确保你的屏幕随时随地可读。 即使使用它，仍然可以移动"亮度"滑块微调 ...

在 Microsoft，我们遵循我们的 AI 原则 、 负责任的 AI 标准 ，以及数十年来在 AI、基础和隐私保护机器学习方面的研究。 数据隐私和安全是负责任的 AI 的关键原则。 我们的目标是帮助客户负责任地使用 AI 产品，共享学习内容，并建立基于信任的合作关系。 要详细了解 Windows 中的 Copilot 如何使用你的 ...

Advanced search options. Find what you're looking for in less time. Use the following symbols to quickly modify your search term or search function: Finds webpages that contain all the terms that are preceded by the + symbol. Also allows you to include terms that are usually ignored. Finds the exact words in a phrase.

Learn how to enter reading mode in Microsoft Edge and use Immersive Reader to hear webpages and PDFs read out loud.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

Manually add an account to the Microsoft Authenticator app If your camera is unable to capture the QR code, you can manually add your account information to the Microsoft Authenticator app for two-factor verification. This works for work or school accounts and non-Microsoft accounts.

Learn how to show hidden files, folders, and drives in Windows.

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.

Get more with Copilot Pro Gain priority access to GPT during peak times for accelerated performance to generate answers, content, and AI images even faster. Get support for Microsoft apps and services.