The first step in solving the cube is to make a cross on the top surface. Watch this short example video of how to make the cross.
There are no exact instruction to follow for making the cross. It is called an intuitive step. The video should give you enough tips
so that you can make a cross.
My Best Tip For Making The Cross
As shown in the moving animation above, if you can get the squares that you need into the
places on the front that are highlighted by the circles you will easily be able
to move them into the top face.