.NET Framework 1.1, 2.0 SP1, 3.5 SP1, 4.0, 4.5
Microsoft .NET Framework redistributable package installs the .NET Framework runtime and associated files required to run applications developed to target the .NET Framework. If you're looking to run a specific application that requires the .NET Framework, be sure to read its requirements carefully. There are multiple versions of the .NET Framework, and the application may only run on one of them.
Installing Microsoft .NET Framework
Latest version: 4.5 (17 Aug 2012)
License: Freeware
System requirements: Windows 9x/Me/NT/2000/2003/XP/Vista/7
Download .NET Framework 1.1 Redistributable: dotnetfx.exe (23.1 MB)
Download .NET Framework 1.1 Service Pack 1 Redistributable: NDP1.1sp1-KB867460-X86.exe (10.2 MB)
Download .NET Framework 2.0 Redistributable 32-bit: dotnetfx.exe (22.4 MB)
Download .NET Framework 2.0 Redistributable 64-bit: NetFx64.exe (45.2 MB)
Download .NET Framework 2.0 Service Pack 2 Redistributable 32-bit: NetFx20SP2_x86.exe (23.8 MB)
Download .NET Framework 2.0 Service Pack 2 Redistributable 64-bit: NetFx20SP2_x64.exe (46.3 MB)
Download .NET Framework 3.0 Redistributable 32-bit: dotnetfx3.exe (50.3 MB)
Download .NET Framework 3.0 Redistributable 64-bit: dotnetfx3_x64.exe (90.1 MB)
Download .NET Framework 3.0 Service Pack 1 Redistributable: NetFx30SP1_x86.exe (25.0 MB)
Download .NET Framework 3.5 Redistributable: dotnetfx35.exe (197 MB)
Download .NET Framework 3.5 Service Pack 1 Redistributable: dotnetfx35.exe (231 MB)