GCC for windows: 1. Download binary: codeblocks-10.05mingw-setup.exe from http://www.codeblocks.org/downloads/26 2. Save the file at the Desktope. Download of 70+ MB file will take some time. 3. Run codeblocks-10.05mingw-setup.exe : Next, I agree, Next, Install 4. Run Code::block, select compiler 5. Settings: compiler and debugger - it will show you GNU GCC Compiler. 6. My Computer, Local Disk (C:), Program Files, CodeBlocks, MinGW, bin 7. My Computer, View System Information, Advanced, Environment Variables, 8. If PATH is there, append it with the path of C:\Program Files\CodeBlocks\MinGW\bin otherwise create PATH vaiable and put the path as the value.