Tips connectfour

first, you have to pay attention to the middle column ,since you could only connect 4 horizontally with the middle column . Try to win by connect 4 in diagonals and also make sure that is a way to win before the game almost end

also here https://www.google.com/search?q=how+to+win+at+connect+4&rlz=1CARWXF_enUS864&oq=how+to+win+at+&aqs=chrome.3.69i57j0l7.9350j0j7&sourceid=chrome&ie=UTF-8#kpvalbx=_l7fbXvr3FJf0tAbdmbXABA31

that will help you if you go first