How to make windows genuine permanetaly

Make windows genuine permanetaly

1. first of all type regedit in run hit ENTER then 
2. a window will apear like as-
   

3.now double click on  HKEY_LOCAL_MACHINE

4.now navigate to SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform

like as

                                                                                                                     

    5. now In right-side pane, change value of SkipRearm to 1. and close regedit

    6.and open cmd( run as administrator) 

   7. tyep slmgr -rearm

    your window will be genuine for one year enjoy