Running .NET 4 program under lower .NET version -

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is possible .net 4 application run when example .net 3 framework installed on computer?

no, isn't possible.

they use different runtimes , can't run assembly targeting 1 runtime on different runtime.

.net 2.0, 3.0 , 3.5 run on 2.0 runtime.

.net 4.0 has new runtime.


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