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:

To switch the keyboard layout you're using in Windows 10, press and hold the Windows key and then repeatedly press the Spacebar to cycle through all your installed keyboards. (If this doesn't do anything, it means you have only one installed.)

Learn how to format text, add graphics, and more in Word documents. Create professional-looking documents with ease using our step-by-step guide. Try it now!

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

了解如何在 Microsoft Edge 中查看、管理和删除 Cookie。 如果你不希望第三方站点在你的电脑上存储 Cookie，则可以阻止 Cookie。 但是执行此操作可能会导致某些页面无法正确显示，或者可能会从站点收到一条消息，通知你需要允许 Cookie 才能查看该站点。

Find operating system info in Windows 8.1 or Windows RT 8.1. To find out which version of Windows your device is running, press the Windows logo key key + R, type winver in the Open box, and then select OK.. If your device is running Windows 8.1 or Windows RT 8.1, here’s how to learn more:

One of the best ways to get the most out of your PC is to make sure you have the latest version of Windows 11 installed. When you check for updates, your PC will also search for the latest device drivers, which can also help improve your PC’s performance.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.