Aynone know that how I could use TBB with Code blocks. I creaed a project in the location---> D:\\Lehrstuhl fr Aerodynamik und Strmungsmechanik\\CFD Code and my code block is here installed --> C:\\Program Files\\CodeBlocks. I downloded TTB and got the files --> tbb40_233oss with files bin, lib, build, include, doc, examples, src with other files say, Makefile, Changes, README, Copying. I'm a beginner. Any please expalin me clearly what I need to do ? By the way, I'm using Windows XP professional as operating system.