When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

Microsoft .NET Framework 4.8.1 is a highly compatible and in-place update to .NET Framework 4.8. It includes native support for the Arm64 architecture (Windows 11+), accessibility improvements as well as other improvements.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

在投影的电脑上，选择 “Windows 徽标键 + K ”，然后选择要连接到的电脑。 或者，可以在 Windows 搜索栏中搜索 “强制转换 ”，然后选择“ 连接到无线显示器”。在“显示设置”页上的“ 多个显示器”下，选择“ 连接到无线显示器”，然后选择“ 连接”。

Use the Windows Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

After you've signed up for Microsoft 365, you and your employees can install your Office apps. From the admin center, select Office software.. Choose a language, and then select Install.. When prompted, select Run.. Select Yes to allow the app to make changes to your device.. The installation may take several minutes, depending on your Internet speed.

Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.