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:

Learn about modems and Internet connections, security, sharing files and printers, and how to set up a wireless network in your home.

If you see a gray OneDrive icon, this means you are not signed in. If you cannot sign in to your OneDrive sync app, or the sync app says OneDrive is not connected, follow the steps below.

Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Learn how to use your voice to create and edit documents in Word with the Dictate feature. Find out how to enable, customize, and troubleshoot Dictation.

Find everything you need to manage your Xbox account, profile, and more.

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。