How do you put in a corner piece of a Rubik's cube in the Rubik's cube?

It is not possible to solve a rubik's cube in a simple answer. to find an easy way learn is to just search YouTube and youll find the algorithms.

You can use this method: F R U Ri Ui Fi to get to the top cross then R U Ri U R U U Ri t get the 4 cross edges in the right place. Now to line the corners up use U R Ui Li U Ri Ui Li. Then use Ri Di R D on the corners to place them the right way.