Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

We will ask for an email address or phone number that we can send a verification code to. It doesn't have to be your email or phone number - you just need to be able to access it to verify …

After you've registered your security key, select the security key image from the Windows 10 lock screen. Insert your security key into your device's USB port and sign in to Windows using your …

Here you'll find guidance for how to secure your account going forward, make it easier to reset a password, and provide additional methods you can use to verify your account.

Learn about the Windows Security app and some of the most common tools you can use.

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.

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?

A phone number or other email address may be used as sign-in security information for more than one account. If you don't recognize the phone or email hints, read My username and password …

Windows can use information such as your IP address, nearby Wi-Fi access points, and GPS data, if available, to estimate your precise or imprecise location coordinates and pass this info …