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

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

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风，则表示你可能需要先授予应用相关权限才能使用它。

Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Set up an eye tracking device. This guide helps you to set up and calibrate your eye tracking device for use with Windows eye control. We have tested it with the Tobii Eye Tracker 4C device; your experience with other devices might vary.

All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).

If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history.On the Order history page, find your order and then look under Status.. Open Rewards dashboard

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

With Edge Chromium, you can add multiple profiles. Profiles allow multiple users to operate in a shared environment while maintaining access to their personalized browser settings, bookmarks, and extensions.