.NET 4.5 Versioning and Multi-Targeting

.NET Versioning and Multi-Targeting - .NET 4.5 is an in-place upgrade to .NET 4.0 - Scott Hanselman



Making sure that correct version of .NET is installed on Windows is a constant struggle...
Even on Windows 8 (Desktop) this is not easy for .NET apps...

Installing the .NET Framework 4.5

.NET 4.5 is an in-place replacement for .NET 4.0
When you install .NET 4.5 your .NET 4.0 assemblies in the \Windows\.NET Framework\V4.0.30319 are overwritten with a new set of assemblies. You end up with overwritten assemblies as well as a bunch of new ones