Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Check the Xbox services, games, and apps for any service outages.

如果在设置中打开用与首选语言不同的语言编写的页面，Microsoft Edge会自动提示你翻译它。 转到用外语编写的网页时，“翻译”图标 显示在地址栏中。 如果语言未包含在设置中的首选语言列表中，则该语言被视为外在语言。

In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

Switch Real-time protection to Off.Note that scheduled scans will continue to run. However, files that are downloaded or installed will not be scanned until the next scheduled scan.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.

USB-C overview. With a USB-C connection, you can charge your Windows 11 PC, and you can also connect to other USB Type-C devices such as mobile phones, docking stations, display adapters, and other devices that have a USB-C port.