Windows genuine is genuine your windows os in 5 seconds..if u have problem with windows you can try this..

Install

Step 1: Run the Tool "ROCKXP4.exe"

Step 2: Click I agree to start the program

Step 3: Click on Windows key TAB

Step 4: Click on Scan to get your Product key

Step 5: In the bottom of the program screen eneter the key given below and click modify.

Step 6: It is all finished you have a valid copy...