Learn how to manage background activity for apps to help save battery power in Windows.

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

Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

Learn how to make items on the screen appear larger by using Magnifier in Windows.

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.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

As you browse the web, you'll see an icon in the address bar that indicates the security of the connection to the site you're visiting. This icon helps you determine if you can safely send and receive information from the site.

Windows Hello. Windows Hello 可使你通过你的面部、虹膜、指纹或 PIN 登录到你的设备、应用、在线服务和网络。 即使你的 Windows 设备可以使用 Windows Hello 生物识别，也不必这么做。

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

Training: Microsoft OneDrive lets you store your personal photos, files, and folders in one place, and get to them anytime, anywhere. Learn more in this online training video.