Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

Windows 10. To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.

Open the message you want to save as a PDF. In the message, select More actions > Print > Print. In the Printer dropdown, select Microsoft Print to PDF. Select Print. In the Save Print Output As box, choose a folder to save your PDF to and enter a file name. Then choose Save.

Taskbar icon. Apps. Check your version of Teams. For Microsoft Teams (free), select Settings and more > Settings > About Teams , then look under Version to see if you have the latest version or need to Update now. For Microsoft Teams (work or school), select Settings and more > About, then look under Version.

To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them. Check for updates. If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows.

Download Microsoft Edge from the Apple App Store and sign in with your Microsoft account.

Open Device Manager. Right-click the name of the device, then select Uninstall device. Select Uninstall and then restart your PC. Windows will attempt to reinstall the driver. If Windows doesn't find a new driver and reinstalling the driver doesn’t help, contact your PC’s manufacturer for help. Things to try to fix touchpad problems in ...

In an existing document, select the Share button. In the Share window, select the icon inside the " Add a message" compose box. Copilot will generate a summary of the document for easier sharing. Once Copilot generates the summary, you can edit it however you need. After you've shared the Word file, the email notification to your collaborators ...

Type about in the search box on your taskbar, and then select About your PC. View your PC info. View your PC info.

你可以以无线方式将电脑连接到电视、投影仪或支持 Miracast 的其他类型的外部显示器。. 打开电视、投影仪或其他显示器。. 如果你使用的是 Miracast 硬件保护装置或适配器，请确保已将其插入屏幕。. 按 Windows 徽标键 + K ，然后从可用设备列表中选择要强制转换为 ...