On the device you want to trust, go to the Security settings page and sign in to your Microsoft account. You'll be prompted to verify your identity. Choose whether to receive the code …

Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

Review the Accounts page of Authenticator on your device, to make sure your account information is right and that there's an associated verification code. For additional security, the …

To link your devices together for cross device authentication, you must scan a QR code that's generated on the device where you want to sign in. During this process, a proximity check …

Security keys are devices used for authentication, typically in the form of a USB dongle, NFC, or Bluetooth. Instead of a password, you can use a security key to sign in to apps, websites, and, …

When you sign into the account for the first time on a new device or app (like a web browser) you need more than just the username and password. You need a second verification method - …

Conveniently and securely sign in to all your online accounts using multifactor authentication, passwordless sign-in or password autofill with Microsoft Authenticator.

Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.

Enhance the security of your Windows device by leveraging Windows Hello. If you’ve already set up Windows Hello, you can eliminate the password sign-in method for an even more secure …

With two-step verification, you'll get a security code to your email, phone, or authenticator app every time you sign in on a device that isn't trusted. Need more help?