An alternative program is
, a light-weight, easy-to-use windows interface to Borland's free TurboC compiler.
Unzip as prompted and run Epi.exe inside the folder unzipped-into.
Note that this program is not supported (i.e., no questions answered),
and comes with no warranties; you are to use it at your own risk.
By downloading it, you are also assumed to agree upon any responsibility that
copyrights of Borland may claim.
Linux users can use GNU Compiler Collection.
If you are not familiar with Linux C/C++ development, check out this