Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Connect your Surface on Windows 10 to a TV, external display, or projector by using the Surface HD Digital AV Adapter or the Surface VGA Adapter.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Obtenga información sobre cómo activar Windows con una clave de producto o una licencia digital, comprobar el estado de activación y vincular su cuenta de Microsoft.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

Learn more about what background apps are in Windows and how to turn them off when you're not using them.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Your privacy is important to us. That’s why we give you control over your privacy settings for online speech recognition and inking and typing personalization features in Windows.