The online installers works great as long as we have internet connectivity always. But many of us required offline installer to install the software on computers not connected to internet, to save the bandwidth while installing on many computers, etc.
I gathered a set of links on Microsoft servers from where we can download the offline installers of .NET Framework 4.0, 3.5, .NET Framework 3.5 Service Pack 1, .NET Framework 3.0 and .NET Framework 2.0.
.NET Framework 4.5 Setup
Download .NET Client Profiler Offline Installer Thanks cirius