What is the fatal error in #include<windows.h>

Question

#include<stdio.h>
#include<windows.h>

Sololearn compiler is showing fatal error while using windows.h header file.

Answer 1

Read a few more words of the error message: "No such file or directory"

Answer 2

Sololearn servers run on a UNIX-based operating system, so any Windows-specific programs will not work.