Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.

A computer virus is a small software program that spreads from one computer to another and interferes with computer operation. A computer virus might corrupt or delete data on a computer, use an email program to spread the virus to other computers, or even delete everything on the hard disk.

Windows 产品密钥是由 25 个字符组成的代码，用于激活 Windows。 其格式如下所示： 产品密钥：XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 找到用于Windows 10或Windows 11的产品密钥. 根据获取Windows 10或Windows 11副本的方式，需要 25 个字符的产品密钥或数字许可证才能激活它。

Find Teams on the web at https://teams.microsoft.com.. To use Teams, you need a Microsoft 365 account with a Business or Enterprise Microsoft 365 license plan. For more information, see How do I get access to Microsoft Teams?. For information about supported browsers for Teams on the web, see Web clients for Microsoft Teams.

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.

若要详细了解如何在 Microsoft Teams (免费) 更改麦克风设置，请参阅在 Microsoft Teams 中管理设备设置 (免费)。. 检查麦克风. 某些设备本身有一个物理静音选项，因此检查耳机繁荣不处于静音位置， (通常是直立或远离嘴) ，或者外部麦克风的物理静音按钮未打开。

Screen time reporting shows daily and weekly details about when and for how long your family member used their devices. Gain insight into the amount of time your family member spends on a particular social media app, game or web browser and decide whether you would like to enable screen time limits for any connected devices. To view screen time for a family member, tap Today, then Screen time ...

Locate the device that you want to check the warranty on, then select Info & support.

使用 Windows IME 键盘进行键入和墨迹书写时，可能会收集数据以改进语言识别和建议功能。 若要在 InPrivate 和普通浏览窗口中使用 Windows IME 键盘时停止墨迹书写和键入数据，请转到 Windows 设置 > 隐私 & 安全> 墨迹 & 键入个性化。

To resize the image, select the image to see drag handles appear around the image. Move the drag handles to resize the image as necessary. Select the Picture Format tab on the ribbon, then use the options on it to format your image. For example, you can apply a style or a border to the image.