Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

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

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Download the offline installer for Internet Explorer 11 in your preferred language and system from Microsoft Support.

Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Learn how to back up apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Before you start, make sure that your Windows 11 PC supports Bluetooth. For more info on how to check, see Fix Bluetooth problems in Windows. If you need help adding a device without Bluetooth capabilities, see Add a device to a Windows PC.

在Microsoft Edge中翻译网页. 在Microsoft Edge中打开网页。. 浏览器将检测页面的语言，并显示一个菜单，要求你确认是否要翻译页面。. 请执行以下任一操作：. 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。. 默认值是为Microsoft Edge设置的语言。. 若要翻译 ...

The Microsoft Authenticator app helps you sign in to your accounts if you use two-factor verification. Two-factor verification helps you to access your accounts more securely, especially while viewing sensitive information. Because passwords can be forgotten, stolen, or compromised, two-factor verification is an additional security step that helps protect your account by making it harder for ...