Microsoft NET Framework 2.0
installs the .NET Framework runtime and associated files required to run applications developed for .NET Framework 2.0.
.NET Framework 2.0 provides increased scalability and performance to applications through improved caching and deploying and updating applications via ClickOnce.
It is not possible to install two different language versions of . NET Framework on the same computer.
dotnetfx-SP 1.exe, dotnetfx.exe