Where is the NET Framework 4 5 directory

Question

I ve installed Windows 8  Visual Studio 2012 but don t have a v4 5 directory in  WINDIR  Microsoft NET Framework   Have I done something wrong  or is  NET 4 5 different from others   If it s because I have not installed the tools  is there a set of different tools to download  As far as I can tell  I am able to build  NET 4 5 apps OK

User · Answer

The webpage is incorrect and I have pointed this out to MS and they will get it changed.

As already stated above .NET 4.5 is an in-place upgrade of 4.0 so you will only have Microsoft.NET\Framework\v4.0.30319.

The ToolVersion for MSBuild remains at "4.0".

User · Answer

Whilst the above answers are correct its worth noting that MSBuild has changed and it no longer ships with the  net framework  it comes either stand alone or with visual studio   As a result it s binaries have moved    so the one you get under the 4 0 303619 directory is actually the old one   I ve just been caught out by this - I found automatic binding redirects were only working when running from VisualStudio but not when running msbuild from the command line    the clue was that binding redirects were added in VS 2013  for that read  net framework 4 5    If you open up a vs command prompt you ll see it now gets it from program files as the other article mentions   Whereas I was using a batch file on my path which linked to the old version   Version numbers  Under framework   PS C  Windows Microsoft NET Framework v4 0 30319 gt    msbuild exe -version Microsoft  R  Build Engine version 4 0 30319 33440  Microsoft  NET Framework  version 4 0 30319 34014  Copyright  C  Microsoft Corporation  All rights reserved   4 0 30319 33440PS C  Windows Microsoft NET Framework v4 0 30319 gt    Under program files   PS C  Program Files  x86  MSBuild 12 0 Bin gt    MSBuild exe -version Microsoft  R  Build Engine version 12 0 21005 1  Microsoft  NET Framework  version 4 0 30319 34014  Copyright  C  Microsoft Corporation  All rights reserved   12 0 21005 1PS C  Program Files  x86  MSBuild 12 0 Bin gt

User · Answer

NET 4 5 is not a side-by-side version  it replaces the assemblies for 4 0   Much like  NET 3 0  3 5 and 3 5SP1 replaced the assemblies for 2 0   And added some new ones   The CLR version is still 4 0 30319   You only care about the reference assemblies  they are in c  program files reference assemblies

User · Answer

EDIT  This answer was correct until mid-2013  but you may have a more recent version since the big msbuild change  See the answer from Jonny Leeds for more details  The version under C  Windows Microsoft NET Framework v4 0 30319 actually is  NET 4 5  It s a little odd  but certainly mscorlib there contains AsyncTaskMethodBuilder etc which are used for async   NET 4 5 effectively overwrites  NET 4

User · Answer

NET 4 5 is an in place replacement for 4 0 - you will find the assemblies in the 4 0 directory   See the blogs by Rick Strahl and Scott Hanselman on this topic   You can also find the specific versions in   C  Program Files  x86  Reference Assemblies Microsoft Framework  NETFramework

User · Answer

The official way to find out if you have 4 5 installed  and not 4 0  is in the registry keys    HKEY LOCAL MACHINE SOFTWARE Microsoft NET Framework Setup NDP v4 Full   Relesae DWORD needs to be bigger than 378675 Here is the Microsoft doc for it  all the other answers of checking the minor version after 4 0 30319 xxxxx seem correct though  msbuild exe -version   or properties of clr dll   i just needed something documented  not a blog

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