This article explains how to set up a Microsoft account Passkey using a Security Key.
What Is a Passkey?
A passkey is a security tool that blocks unauthorized people from accessing your computer or device. Passkeys protect your computers, phones, and other gadgets. They keep your sensitive information safe.
You can use a passkey to sign in to Microsoft apps and websites. This includes Microsoft 365 and Copilot. You can use them on desktop and mobile browsers. On your Microsoft account sign-in screen, choose Sign-in options. Then select face, fingerprint, PIN, or security key.
Why Use a FIDO Security Key?
Microsoft now supports the FIDO security key with Passkey. This protects your Microsoft account even better.
A FIDO security device is a small physical key. You hold it in your hand. It adds extra security to your online accounts. You plug the device into your computer or phone. Then you verify who you are. You do this with your fingerprint or a PIN code. Only then can you access your account.
How to Set Up a Passkey Using a Security Key
Follow these simple steps to set up a passkey with a FIDO security key on your Microsoft account.
- Connect your FIDO security key to your Windows PC.
- Sign in to your Microsoft account. Go to the Advanced Security Options page. Choose “Add a new way to sign in or verify.”

- Select “Face, fingerprint, PIN, or security key.” Then select “Security key” and click Next.


- Click OK to continue the setup. Enter the security key PIN when the system asks for it.


- Touch your security key fingerprint sensor. Click OK when done.


- Give your security key a name. Click Next to finish the setup.


You’re all set! Your security key is now active.
Summary
Setting up a Microsoft Passkey with a Security Key makes your account much more secure. A FIDO security key is a physical device that adds real protection to your Microsoft account. The setup process is straightforward and takes just a few minutes. By following these steps, you can make sure your Microsoft account is well-protected. Your sensitive information and data stay safe from people who shouldn’t have access.
References
Frequently Asked Questions
What is a Microsoft Passkey and how does it work?
How do I set up a FIDO security key for my Microsoft account?
What are the benefits of using a FIDO security key with my Microsoft account?
Can I use a FIDO security key on mobile devices for my Microsoft account?
What should I do if my FIDO security key is lost or stolen?





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