A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.

Note: BitLocker Drive Encryption is only available on devices running Windows Pro, Enterprise, or Education editions. It isn't available on Windows Home edition. If Manage BitLocker isn't listed, it means that you don't have the correct Windows edition.

¿Está preparado para instalar? Antes de empezar, asegúrate de que tu PC o Mac cumple los requisitos del sistema.. Si ya ha canjeado una clave de producto, simplemente va a reinstalar las aplicaciones o sabe que tiene una licencia asignada a través del trabajo o la escuela, puede ir directamente a la sección iniciar sesión para descargar e instalar Microsoft 365 u Office.

如果“输入密码”窗口仍处于打开状态，请选择“忘记密码？. 如果没有，请选择下面的“重置密码”，输入要重置的帐户的用户名，然后选择“ 下一步”。 重置密码

These steps apply only to Office Professional Plus, Visio Professional, or Project Professional. Step 1: Start an Office app, like Word, Project, or Visio, depending on your purchase.. Step 2: In the Sign in to set up Office window, select I don't want to sign in or create an account (it's a small link at the bottom of the window).. Step 3: Enter your Office product key, without hyphens.

Découvrez comment activer Office préinstallé sur de nouveaux PC Windows 10 ou à l’aide d’une nouvelle clé de produit.

Important: The National Public Data breach exposed personal information, including names, addresses, and social security numbers.Learn how to protect yourself and how Microsoft Defender is helping to prevent fraud. See: National Public Data breach: What you need to know.

注意: 在Windows中获取驱动程序更新的最佳和最安全的方法始终是通过Windows 更新。如果在Windows 更新时遇到问题，则可能会看到 Update Windows 中的任何链接是否可帮助你先解决问题。

Under Ways to sign in , you have three choices to sign in with Windows Hello:. Select Facial recognition (Windows Hello) to set up facial recognition sign-in with your PC's infrared camera or an external infrared camera

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.