How to make windows 7 ultimate genuine using cmd

**********Steps to make window 7 ultimate genuine*********

1. First open "cmd" as "Run as administrator"
2. Then type "slmgr -rearm" and hit enter
3. After hitting enter restart the pc
4. And again open "cmd" as "Run as administrator"
5. Type "slmgr -ato" and hit enter
6. Finally your window 7 ultimate is activated
7. Thank You............