Cybercriminals typically pretend to be reputable companies, friends, or acquaintances in a fake message, which contains a link to a phishing website.

Report a scam. If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

Use the Microsoft Authenticator app to sign in securely without a password. Learn why you received a notification about unusual activity in your account and what to do next.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

The following information describes the two-step verification experience with a call to your mobile or office phone. Sign in to an application or service such as Microsoft 365 using your username and password. Microsoft calls you. Answer the phone and press the # key.

Sign in on a remote computer. Many apps allow you to authenticate by entering a code on another device such as a PC. If you want to sign in on a remote computer to install the Authenticator app, follow these steps. Open the Authenticator app, and then select > Add work or school account > Sign in.

Important: If you already set up your work or school account in the Microsoft Authenticator app, you don't need to do it again. Go to the Security info page using the steps above. Select Add sign-in method. Select Choose a method and then Authenticator app.

This FAQ is intended to answer questions about upgrading to Windows 11. An update ensures you have the most recent features and security improvements for your current version of Windows. If you want to update your device and need more info, see Windows Update: FAQ.

It looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

On the remote screen, open the Sign in to your account page and enter the code that you see in Authenticator. On your remote screen, sign in using your work or school account credentials. After you complete your authentication on the remote screen, return to Authenticator to complete setup.