Battery saver is turned off.To find out if battery saver is turned on or off, select Start , then search for settings.Select Settings > System > Power & battery.If you want the best HDR video experience even when battery saver is turned on, select Battery saver, then turn off Lower screen brightness when using battery saver.For the best HDR video experience, Windows needs to be able to set ...

Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.

Microsoft Editor is an AI-powered service that helps bring out your best writer in more than 20 languages, whether you are writing a Word doc, composing an email message, or posting on a website like LinkedIn or Facebook.

使用 Windows 中的“设置”应用通过蓝牙发送文件。

IMPORTANT This update is not needed and will not be offered if your Windows Recovery Environment (WinRE) meets any of the following conditions: If the WinRE recovery partition does not have sufficient free space.

Turn Bluetooth off and then on again.. Swipe downward from the top of your screen to reveal the Android Notification panel.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.