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

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If you want to sign in on a remote computer to install Authenticator, follow these steps. Note: This feature is usable only by users whose admins have enabled remote sign-in. Open Authenticator, and then select > Add work or school account > Sign in. Select Sign in from another device.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

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Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).

Sending a message. If you haven't already set up messages, do the following: On your PC, in the Phone Link, select Messages. To start a new conversation, select New message. Enter the name or phone number of a contact. Select the person you want to send a message to.

Get started with Copilot. To get started, open the Copilot app from the Start menu or use the Copilot icon if present on your Windows taskbar. If your device keyboard includes a dedicated Copilot key, you can also use it to launch Copilot.

If you have those subscriptions and are not seeing Copilot in these Microsoft 365 apps, follow these steps: Important: Copilot in Outlook only supports work or school accounts, and Microsoft accounts using outlook.com, hotmail.com, live.com, and msn.com email addresses at this time.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.