提示: 如果你使用的是无线显示适配卡，请在较新的电视上连接到 HDMI 端口，然后通过无线方式将电脑与其连接。将无线显示适配器连接到电视后，请转到 Windows 11 电脑上，按 Windows 徽标键 + K 打开投放，然后选择无线显示适配器。

Enter your Email, phone, or Skype name in the first box if you know it.; In the Contact email address text box, type an email address where we can contact you or send your password reset link. Note that this email address should be different from the one you’re trying to recover. In the third text box, type the characters displayed on the screen.

Instead of fix-it tools, Windows 10 uses troubleshooters to help you solve problems with your PC. To run a troubleshooter: Select Start > Settings > Update & Security > Troubleshoot > Additional troubleshooters, or select the Find troubleshooters shortcut at the end of this topic, and then select Additional troubleshooters.

Microsoft Rewards points don’t have any cash value. It usually takes about 5,000 points to redeem something worth $5. Learn more about redeeming Microsoft Rewards points. Microsoft Rewards points will expire if there are no earning activities within 18 months.

To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.. I'm having trouble opening the Start menu

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

To invite someone who isn't on your contact list, select Invite someone to help you. Follow the instructions. To give help if someone has requested it: Go to the search box and enter remote assistance, then select Invite someone to connect to your PC and help you, or offer to help someone else.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

If you’re sure that the code is correct, but you can’t redeem it on the web, try redeeming the code on your console. Some codes are meant for a specific device. To learn more about redeeming codes, go to: How to redeem gift cards and codes. Troubleshooting tips & tricks