Rdlc report version problem

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C#

I developed a web application in vs2010, and use rdlc report and report viewer with version 10.0. available in vs2010. I host this application in server, but server support only version 11 for rdlc and report viewer.version 11 is available with vs2012, but I have no vs2012 .
I changed version and token in web configuration file to match version 11 but it was not work.

What are the step need to follow to get rdlc and report viewer version 11.


Thanks in advance