Es un código alfanumérico único de (formato: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX) que valida la legalidad de tu copia de Windows. Existen dos métodos principales de activación:

Here are some useful tips:

Avoid searching for free "código activación" lists. They are almost universally useless (generic keys) or dangerous (activator malware).

However, Alejandro didn't have a código de activación (activation code) for Windows 10. He had bought the computer from a friend, and it didn't come with a Windows 10 license. He tried to look for the code on the computer's packaging or documentation, but he couldn't find it.

Alejandro had just bought a new computer and was excited to start using it. He had decided to install Windows 10 as his operating system. As he was setting up his computer, he reached the step where he needed to activate Windows.