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.

Remarques : Votre mot de passe Hotmail ou Outlook.com est le même que celui de votre compte Microsoft. Si vous pouvez vous connecter mais que vous rencontrez des problèmes avec Outlook.com, vérifiez l’état du service.Si l’état n’est pas vert, patientez jusqu’à ce que le service fonctionne normalement et essayez de vous reconnecter.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

To see if your PC is eligible to upgrade, you can download and run the PC Health Check app. Or, after the upgrade rollout begins, you can check if it's available for your device by going to Settings > Update & Security > Check for updates.

Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC > OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.

If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If we detect a problem with your account, we'll tell you what you need to do to solve the problem.

Getting a message that your PC is running out of room can be a stressful event—or, even a genuine emergency if you're in the middle of an important project. The good news is you can probably free up a lot of space on your PC running Windows by following the tips here. But if you keep getting messages about low drive space, you might want to ...

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

If you think someone might have unauthorized access to your account, we can protect you by signing you out from all of your trusted devices. Within 24 hours, you will be signed out of browsers, apps and anywhere else your account is used to sign in, except an Xbox console. Learn how to sign out of your Xbox. To sign out everywhere

Note: Some versions of Project don't have an associated Microsoft account, or work or school account, or you need to redeem your product key in a different way.See the following if this is how you got your version of Project Professional 2021, Project Professional 2019, Project Standard 2021, or Project Standard 2019: Microsoft Workplace Discount Program (formerly known as Home Use Program ...