A security key is a physical device that you can use instead of your user name and password to sign in. Since it needs to be unlocked with a fingerprint or PIN, even if someone has your security key, they …

Detailed info about Microsoft-compliant FIDO2 security keys. Reset your password if you've lost or forgotten it, from the Password reset portal or follow the steps in the Reset your work or school …

Sep 29, 2025 · After installing the Windows update, September 29, 2025—KB5065789 (OS Builds 26200.6725 and 26100.6725) Preview, or later updates, you might be required to create a PIN to …

With passkeys, you can sign into your Microsoft personal account or your work/school account using your face, fingerprint, or PIN. Signing in with a passkey is simple and fast and helps protect you …

Instead of a password, you can use a security key to sign in to apps, websites, and, if you have a work or school account, even Windows. Use this section to change or reset your security key PIN.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Once you remove your password from your account, you will need to sign in using a passwordless method like the Microsoft Authenticator app, Outlook for Android, Windows Hello, physical security …

Personal Microsoft account | Work or school Entra ID "This passkey can no longer be used" message If you see a message saying your passkey is not found, can no longer be used, or is no longer valid, it …

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

After you've registered your security key, open the Microsoft Edge browser. When prompted to sign-in, insert your security key into your device's USB port and sign in to Windows using your security key PIN.