W8 Professional N: XCVCF-2NXM9-723PB-MHCB7-2RYQQ W8 Core Single Language: 2WN2H-YGCQR-KFX6K-CD6TF-84YXQ Note- Your Key is the key Corresponding to your OS and Select it from the below List. Step 2: Now Type the Command “slmgr /ipk your_key” to install a license key.
Step 1: First of all Right Click on the Start and Select Command Prompt ( Admin ) in Your Windows 8,8.1 Pro OS.