If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

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.

Manage devices used with your Microsoft account. Adding a device to your Microsoft account helps you see its warranty status, get support or request service. You can also find or lock it if it's lost. On this page: Add | Register | Repairs | Rename | Remove | Unlink | Find & lock.

If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list.

Go to Start > Settings > Accounts > Sign-in options. Select the Windows Hello method that you want to set up, Select Set up. If you don't see Windows Hello in Sign-in options, then it may not be available for your device. Windows Hello does require a compatible camera or fingerprint reader.

From the Password security tile, select Change my password. On the Change your password page, enter your current password and then enter your new password. For additional security, select the optional checkbox which prompts you to update your password every 72 days.

This article describes antimalware update package for Microsoft Defender in the OS installation images (WIM and VHD files). This feature supports the following OS installation images: Windows 11. Windows 10 (Enterprise, Pro, and Home editions) Windows Server 2022. Windows Server 2019.

You can set up an authenticator app to send a notification to your mobile device or to send you a verification code as your security verification method. You aren't required to use the Microsoft Authenticator app, and you can select a different app during the set up process.

Potentially unwanted applications (PUA) are a category of software that can cause your machine to run slowly, display unexpected ads, or at worst, install other software which may be more harmful or annoying.

Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.