Abre CMD como administrador y escribe: slmgr /xpr Te dirá si es permanente o por tiempo limitado.

Presiona la combinación de teclas Windows + R , escribe slui 4 y presiona . Selecciona tu país o región en el menú desplegable.

Alex followed the instructions, carefully:

The most straightforward way to activate Windows 8.1 Pro Build 9600 is by using a valid product key. A product key is a 25-character code that is unique to each copy of Windows. If you have purchased a copy of Windows 8.1 Pro Build 9600, you should have received a product key.

Ingresa el que te proporcionará el asistente telefónico para completar el proceso. 3. Uso de la Línea de Comandos (slmgr)

If you don't have a product key or are experiencing issues with the activation process, you can try activating Windows 8.1 Pro Build 9600 through the Command Prompt. This method requires you to use a command-line tool called .

Useful if internet activation fails or for older retail licenses: How To Activate Windows 8.1 Pro. (Build 9600)