Manage a security key settings - with Microsoft

You can use security keys as a passwordless sign-in method within your organization. A security key is a physical device that's used with a unique PIN to sign in to your work or school account. Because security keys require you to have the physical device and something that only you know, it's considered a stronger verification method than a username and password. 

After you Register a security key you may need to manage key be viewing the sections below.

Delete a security key from your security info 

If you lose or no longer want to use a security key, you can delete the key from your security info. While this stops the security key from being used with your work or school account, the security key continues to store your data and credential information. To delete your data and credential information from the security key itself, follow the instructions in the "Reset a security key" section of this article. 

1. Select the Delete link from the security key to remove. 

2. Select OK from the Delete security key box. 

Your security key is deleted and you'll no longer be able to use it to sign into your work or school account. 

        Important: If you delete a security key by mistake, you can register it again using the instructions in "Register a security key" section of this article. 

Manage your security key settings from Windows Settings 

You can manage your security key settings from the Windows Settings app, including resetting your security key and creating a new security key PIN. 

Reset a security key 

If you want to delete all the account information stored on your physical security key, you must return the key back to its factory defaults. Resetting your security key deletes everything from the key, allowing you to start over. 

Important: Resetting your security key deletes everything from the key, resetting it to factory defaults. All data and credentials will be cleared. 

1. Open  Settings app, select Accounts, select Sign-in options, select Security Key, and then select Manage. 

2. Insert your security key into the USB port or tap your NFC reader to verify your identity. 

3. Follow the on-screen instructions, based on your specific security key manufacturer. If your key manufacturer isn't listed in the on-screen instructions, refer to the manufacturer's site for more information. 

4. Select Close to close the Manage screen. 

Create a new security key PIN 

You can create a new security key PIN for your security key. 

1. Open the Windows Settings app, select Accounts, select Sign-in options, select Security Key, and then select Manage. 

2. Insert your security key into the USB port or tap your NFC reader to verify your identity. 

3. Select Add from the Security Key PIN area, type and confirm your new security key PIN, and then select OK. 

4. The security key is updated with the new security key PIN for use with your work or school account. If you decide to change your PIN again, you can select Change. 

5. Select Close to close the Manage screen. 

Reference: https://support.microsoft.com/en-us/account-billing/set-up-a-security-key-as-your-verification-method-2911cacd-efa5-4593-ae22-e09ae14c6698