NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008, Windows Server 2008 R2 for 圆4-based Systems (KB2518870) NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008 x86 (KB2518870) Windows 7,Windows Server 2003,Windows Server 2003, Datacenter Edition,Windows Server 2008,Windows Vista,Windows XP NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008 x86 (KB2539636) Windows 7,Windows Server 2003,Windows Server 2003, Datacenter Edition,Windows Server 2008,Windows Server 2008 R2,Windows Vista,Windows XP 圆4 Edition NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008, Windows Server 2008 R2 for 圆4-based Systems (KB2539636)

NET Framework 4.5 on Windows 7, Vista, Windows Server 2008 and Windows Server 2008 R2 for 圆4 (KB2750147) NET Framework 4.5 on Windows 7, Vista, Windows Server 2008 and Windows Server 2008 R2 for 圆4 (KB2805226) Windows 7,Windows Server 2008,Windows Server 2008 R2,Windows Vista NET Framework 4.5 on Windows 7, Vista, Windows Server 2008 and Windows Server 2008 R2 for 圆4 (KB2805221)

Service pack 2 windows 7 32 bits