Download Update for .NET Framework 4.5 for Windows 7 SP1, Windows Server 2008 R2, Windows Server 2008 R2 SP1, Windows Server 2008 SP2 and Windows Vista SP2 - KB2750147 from Official Microsoft Download Center

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Update for .NET Framework 4.5 for Windows 7 SP1, Windows Server 2008 R2, Windows Server 2008 R2 SP1, Windows Server 2008 SP2 and Windows Vista SP2 - KB2750147

Update for .NET Framework 4.5 for Windows 7 SP1, Windows Server 2008 R2, Windows Server 2008 R2 SP1, Windows Server 2008 SP2 and Windows Vista SP2 - KB2750147