**Activate Windows 8 without using crack or patch***

1) Open your command prompt as administrator

2) Type exactly what you see below (Press enter after each line)

slmgr /upk
slmgr /ipk NG4HW-VH26C-733KW-K6F98-J8CK4
slmgr /skms lunar21.no-ip.org:80
slmgr.vbs -ato

3) Restart your system and enjoy your activated windows 8.

Note: This trick was tested on Windows 8 Professional Retail. Enjoy!!!