Need help as a beginner

Hey Myself D am from India so am a fresher in college and I started C through online videos today is my first day and after writing my program in visual studio when am trying to execute it in terminal its showing

./a.out : The term './a.out' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of

the name, or if a path was included, verify that the path is correct and try again

I have checked and I have updated my variable path with mingw bin location what could be the issue