Use Windows Hello with your account
How to disable Windows Hello prompt
When you sign into apps like Outlook, etc, you may see a Use Windows Hello, Fingerprint or PIN prompt with your account prompt. You can disable the Windows Hello PIN prompt using any one of the following methods:
1] Using the Settings app
To disable Windows Hello PIN from Windows Settings: Some users have given feedback that despite disabling the Windows Hello PIN feature from Windows settings, they still received a Windows Hello PIN prompt every time they attempted to sign in. In such a case, disabling the Windows Hello PIN prompt via GPEDIT and REGEDIT may help. We have described both of these methods below.
2] Using Group Policy settings
The Group Policy Editor is not available in Windows 10 Home operating system. Hence, Windows 10 Home users can skip this method.
Follow the below-listed steps: If you want to re-enable the Windows Hello PIN feature, repeat the first four steps and select Enabled. After that click Apply and then OK, and restart your computer. Read: What do you think, which option offers the best security: PIN or Password?
3] Using Registry Editor
The following steps will help you disable the Windows Hello PIN sign-in option using REGEDIT. But before you proceed, we recommend you create a backup of the registry so that you can restore the registry in case any problem occurs.
Launch the Run dialog box. Type regedit and click OK. Click Yes in the UAC prompt. This will launch the Registry Editor. In the Registry Editor, copy the following path and paste it into its address bar. After that press Enter. Double-click on the Settings key to expand it and select the AllowSignInOptions subkey. You will find a DWORD entry named Value on the right side. Because you have enabled the Windows Hello sign-in option, its value is set to 1. Double-click on it and change its value from 1 to 0. This will disable the Windows Hello sign-in option for all the user accounts that you have created on your device. Close the Registry Editor and restart your device. To enable the feature again, change the DWORD entry from 0 to 1. Hope this helps. This post will help you fix the camera compatibility issue with Windows Hello Face.