C++ doesn't really have a version. It is an older language that is pretty much standard, and hasn't changed much over a long time considering it caters for everything that has been attempted anyway. You would be referring to Microsoft Visual Studio 6.
However, if you want a compiler, do a search for MinGW. And undoubtedly you confused a compiler with an IDE (there's a huge difference, really ...) therefore I will link you to this URL: http://www.codeblocks.org/
I found this list of compilers and IDE's... NOTE: I take no credits for this... I found it on an other forum.. those in red is his favorites... it's pretty old thought, (2006)..