Any ideas where I can download Microsoft Common Language Runtime 4.0.30319.0?

I try to install company of heroes online but a message tells me some error. Every time I try to install I get the following error message "unable to install or run this application.thia application requires your system to be updated to Microsoft common language runtime version 4.0.30319.0" Any... show more I try to install company of heroes online but a message tells me some error.
Every time I try to install I get the following error message

"unable to install or run this application.thia application requires your system to be updated to Microsoft common language runtime version 4.0.30319.0"

Any ideas where I can download Microsoft Common Language Runtime?