Open notepad
Type "#include <stdio.h>" Enter
Type "int main() { printf("Helol world!\n"); return 0; }"
Save the file as "general_ai.c" to disk C:\
Open command line
cd c:\
gcc -o conquer_the_world.exe general_ai.c
Open explorer, navigate to C:\ and run "conquer_the_world.exe"
If not there then install MinGW and repeat