hey why cant i use conio.h in cpp

Question

i was writing a small program where i used getch() so for that there should be a header file so i included #include<conio.h> it successfully ran then i copied that program and tried to online compile it then i got this message of error can u please solve my problem?

Answer 1

conio.h header file is non-standard header file. Also deprecated. So not work here and in most modern compilers.