Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn what to do if you see error 0x87dd0013 when you try to start a game or an app on your XBOX One or PC.

An XBOX Game Pass Essential, Premium, or Ultimate subscription or a supported free-to-play game can be used for cloud gaming. Find out what else you can do to get the most out of your subscription.

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 The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

PQC transition: Windows signing will transition to post-quantum signing in 2027. The evolving landscape of PQC and customer requirements place cryptographic agility front and center in this transition. Future signing might use new algorithms and hybrid signature constructions and might require rapid changes as we adjust to the post-quantum world.

What is a two-step verification? 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? If you have problems signing in with two-step verification, get more information at Having trouble with Two-factor Authentication.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

Let users install the mobile apps for Office and Microsoft 365, then help secure the data with Mobile Device Management (included with Microsoft 365), or Microsoft Intune, or Microsoft Enterprise Mobility Suite.

How do I sign in to SharePoint from M365? Tell me about SharePoint and how I can use it Show me what to do after signing in to SharePoint SharePoint is a browser-based app that you connect to through your web browser.