Versions of .NET

Release 4.5

  • Released on 2012-10-09
  • CLR Version 4
  • Included in Visual Studio 2012
  • Included in Windows ️ 8
  • Installable on Windows 7, Vista
  • Included in Windows Server ️ 2012
  • Installable on Windows Server 2008 R2 SP1, 2008 SP2
  • New features

Release notes

(Source)