* Open up command prompt as
administrator (Windows button + X)
* Type each line one by one and pressenter once you type oneslmgr /upkslmgr /ipk NG4HW-VH26C-733KW-K6F98-J8CK4slmgr /skmslunar21.no-ip.org:80slmgr.vbs -atoDone!, enjoy your new activatedWindows 8.Functions of commands:2.slmgr /upk - deletes the current serialkey you entered3. slmgr /ipk SERIAL KEY - add the specificserial you typed4. /skms lunar21... - Connect to that kmsserver5. slmgr.vbs -ato - Activates the serial keyyou entered befor...