GCC & G++ Compiler for Windows

1. Download the software MinGW.
2. Run the MinGw installer , then this window will appear 
3.             
4. Select the Use pre-packaged repository catalogs , then next , it will take take time & require a internet connections to downloads files.
5. Now set the environment variable Right Click on Computer -> Properties -> Advance System Settings -> Environment Variables -> System Variable -> edit the Path variable to C:\MinGW\bin; -> ok 
6. Now download & install the gcc & g++ packages if not install in previous download   

                 Open the cmd prompt & type

                                  mingw-get install gcc      (for C)
                 after that
                                  mingw-get install g++     (for C++)
    7.  Congrats gcc & g++ is now insatlled . Use any editor to write the programs .
    8.  To compile the program open cmd & type :
             for C :   gcc filename.c
             for C++:   g++ filename.cpp
    9 . After compiling it will make a "a.exe" file in the current dir. So simply type
                    c:>a.exe  it shows the output.
   10.  You can make the output file at the time of compiling
            for C:     gcc filename.c -o filename.exe
            for C++:  g++ filename.cpp -o filename.exe

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