Microsoft .NET Framework

Microsoft .NET Framework screenshots

It provides common functionality for applications running Windows
The security rules can be set as you need
Microsoft .NET Framework 2.0 : The security rules can be set as you need

Alternative downloads

Microsoft .NET Framework Security Update (KB953297)
KB953297 security update is for Microsoft .NET Framework 1.1.
1.1
CUDAfy.NET
You can program NVIDIA CUDA Graphics Processing Units and OpenCL Devices.
1.26.5081.17976
Microsoft .NET Framework Service Pack 2
Contains the common language runtime and class libraries built for the .NET.
3.2.30729
FREE