How to Ctrl + shift + F4 but in a HP laptop?

Hit the X Button Located on the top right corner or hit Control, Alt, Delete

Explanation:

Hitting the X button will make you exit the whole cite, or hitting Control, Alt, Delet, will make you go to the task bar, in which you can go to the bottom right of that screen and it should say end task

Just hit the X button on the top of the right corner. (I mean you could also just hit control + Alt + Delete)