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”。

If your PC has a built-in camera or a connected webcam, you can use the Camera app to take photos and videos. To find the Camera app, select Start > Camera.. Select any heading below.

To find out if your printer is connected to Wi-Fi, see if your printer's built-in menu has options for checking its Wi-Fi connection, or check the printer's manual for instructions about how to add it to a Wi-Fi network.

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Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.

To find touchpad devices, select Human Interface Devices or Mice and other pointing devices, then right-click the device you'd like to update.

A list of Excel training, from entry level to advanced skills, plus templates and other resources.

Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.

Closing a Microsoft account means you won’t be able to use it to sign in to any Microsoft products or services, including Outlook.com or Hotmail, OneDrive, Xbox, Skype, Office or Microsoft 365, Rewards and Microsoft Certification.

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.