A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or office. Note: Purchases made in Candy Crush may show as MICROSOFT*CANDY CRUSH. Contact King support in the app or at community.king.com.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

Open the Windows Settings app, select Accounts, select Sign-in options, select Security Key, and then select Manage. Insert your security key into the USB port or tap your NFC reader to verify your identity. Follow the on-screen instructions, based on your specific security key manufacturer.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox). If you do need to replace your security information, make sure you add new information first. If you request removal of all security information in your account, the account is put into a restricted state for 30-days. Your information doesn't ...

Find out how to Get started with the Microsoft Authenticator app so that you can use notifications to sign in, instead of texts and phone calls. Learn How to use two-step verification with your Microsoft account.

Passkeys are supported on desktop and mobile browsers (mobile app support is coming soon). You can use Windows Hello on Windows 10/11 devices to sign into your account with a passkey.

This setting lets you choose if you want the Windows Subsystem for Android™ to be open in the background and always ready to open mobile apps, or conserving memory on your device.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Open the app, go to the app's top-level menu, and then select Send feedback. After that, contact Support or go to the Microsoft Authenticator app forum and explain the problem you're seeing and the steps you tried.