Microsoft has released Version 4.5.2 of the .NET Framework for Windows Vista, 7 and 8.
Download:
.NET Framework 4.5.2
The Microsoft .NET Framework 4.5.2 is a highly compatible, in-place update to the Microsoft .NET Framework 4, Microsoft .NET Framework 4.5 and Microsoft .NET Framework 4.5.1.
Download:
.NET Framework 4.5.2