Troubleshooting verification code issues. Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

You can create either a new Outlook.com email address or add an address that you already have. Then, select Add alias. After you’re returned to the previous screen, select Verify, and then follow the instructions that are provided. Or, select Add phone number.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

If you're having trouble getting your verification code for your personal Microsoft account, see Troubleshooting verification code issues. If your question wasn't answered here, we want to hear from you. Post your question to the Microsoft Authenticator forum to get help from the community.

Learn how to connect to a projector or to another PC in Windows using the keyboard shortcut "Windows logo key + P", the Connect app (for Windows 10), or the Wireless Display app (for Windows 11).

Turn on your controller by pressing the Xbox button . Press the controller’s Pair button for 3 seconds and release. On the Meta Quest headset, go to Quick settings > Bluetooth > Pair new device. When you see “Xbox Wireless Controller” pop up on the list, select it and then press Pair.

If you're having trouble installing updates, see Troubleshoot problems updating Windows. For answers to frequently asked questions, see Windows Update: FAQ. To get the latest major update of Windows 11, see Get the latest Windows update. Check for Windows updates.

本文介绍如何在 Windows 8.1、Windows 8、Windows 7 或 Windows Vista 中使用系统文件检查器工具来解决丢失或损坏的系统文件的问题。.