Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

激活有助于验证你的 Windows 副本是否为正版，且未在超过 Microsoft 软件许可条款所允许数量的设备上使用。 如果无法激活激活Windows 11，激活疑难解答可以提供帮助。

Cookies are small pieces of data stored on your device by websites you visit. They serve various purposes, such as remembering login credentials, site preferences, and tracking user behavior.

In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Firewall Troubleshooter.

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

Text cursor settings . Make the keyboard easier to use. If you want to make your keyboard easier to use, select Keyboard settings below, or select the Start button, then select Settings > Ease of Access > Keyboard , and try some of these options:. Turn on the toggle under Use the On-Screen Keyboard to select keys by using the mouse or another pointing device (like a joystick) or to use a ...

Microsoft アカウントへのサインインに関する問題を解決する方法について説明します。 パスワードの確認、アカウントのロック、およびその他の Microsoft アカウントのログインの問題を解決します。

按此键. 执行此操作. Command + Shift + B. 显示或隐藏收藏夹栏. Command + Shift + C . 打开开发人员工具. Command + D. 将当前选项卡另存为收藏夹. Command + Shift + D. 在新文件夹中将所有打开的标签页另存为收藏夹

The OR function returns TRUE if any of its arguments evaluate to TRUE, and returns FALSE if all of its arguments evaluate to FALSE.. One common use for the OR function is to expand the usefulness of other functions that perform logical tests. For example, the IF function performs a logical test and then returns one value if the test evaluates to TRUE and another value if the test evaluates to ...

Note: Use these steps for Windows programs.If you're having problems with an app you got from Microsoft Store, go to Fix problems with apps from Microsoft Store.