Q: i am unable to use i tune on my laptop having windows 7

Hi, khushi.789.  

Thank you for visiting Apple Support Communities.  

I see from your question that you are unable to use iTunes on your computer.  I would need more information on what exact issues you are experiencing and any errors that you receive to provide a better answer.  However, here are some troubleshooting guides that may help resolve your issue with iTunes.  

Fix unexpected quits or launch issues in iTunes for Windows

If you can‘t install or update iTunes for Windows

If you can’t connect to the iTunes Store

Cheers