Write the C source code in a file with a `.c` extension
Open a terminal or command prompt
Compile the program using a C compiler such as `gcc` or `clang`
Example compile command: `gcc filename.c -o filename`
Fix any compilation errors if they appear
Run the compiled executable
On Linux or macOS: `./filename`
On Windows: `filename.exe`
Use an IDE if preferred, and click its build/run option