How to install .net framework 4.5 on widows 2003 server?

Currently our production web server is running on Windows 2003 environment and some of our customers are using web site which is build on 1.1, 2.0 and 3.5. Recently we have develop new web site build on .net framework 4.5 for our new customer which is need to be deployed in our production web server. But .net framework 4.5 is not able to install on window 2003 environment.

Is there any way we can able to install .net framework 4.5 on window 2003 environment?
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I don't believe that it can be installed on 2003.

I would really recommend you look at upgrading your 2003 environments if you haven't started already as there is no longer Microsoft Support for 2003 servers.

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Ganesh Kumar ASr Infrastructure SpecialistCommented:
.Net 4.5 cannot be installed on Windows Server 2003.

Instead, you should use MVC 4.0 on .Net 4.0, which will work fine
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