How activate hidden themes in windows 7

1. Go to My Computer
2. At the address Bar of My computer type C:\Windows\Globalization\MCT then hit Enter

it will show 5 folder of Hidden Themes ng WIndows 7


4. Open it one by one then click the folder theme.
5. Double click the content of the Theme.
6. To see if it is activated, right click on desktop >personalize.