I was upgrading ERD generator to CRM 2015 Update 1 and funnily even one thing that I needed to fix was to increase .net runtime to 4.5.2.

To my surprise, even after installing the .net runtime. I have installed .Net Framework 4.5.2 on Windows 7 but in Visual Studio 2013 I do not see the

.Net Framework 4.5.2 option (see screenshot).

So my wonder was how do I target my project for .Net 4.5.2?

It was just invisible:

The resolution was that just installing the runtime doesn’t get the required runtime to Visual Studio.

You need to install the Microsoft .NET Framework 4.5.2 Developer Pack from following link: https://www.microsoft.com/en-us/download/details.aspx?id=42637

This contains the following components (emphasis added by me):

.NET Framework 4.5.2

.NET Framework 4.5.2 Multi-Targeting Pack: Contains the reference assemblies needed to build apps that target the .NET Framework 4.5.2

.NET Framework 4.5.2 Language Packs

.NET Framework 4.5.2 Multi-Targeting Pack Language Packs: Contains the IntelliSense files to display help while building apps that target the .NET Framework 4.5.2

through Visual Studio and third party IDEs.

Hope it helps! Happy CRMing!