Crystal report version

Hi

  After I download crystal report

http://downloads.businessobjects.com/akdlm/cr4vs2010/CRforVS_13_0_5.exe). on my PC, what version crystal report(it has too many different version, I am confused..) should I need to use to develop?  could you send me the link?  and how much is it?

  If I have crystal report XI, could I keep using it?

Thanks

SAPUser