Yau

Yau is a method for solving the 4x4 cube and up in which you solve the first two opposite centers, then solve 3 cross edges and connect it to their center, then solve the last 4 centers while preserving the 3 cross edges, then solve and insert the last cross edge, then solve the rest of the centers, and finally solve it like a 3x3 with the cross being done. This method is most popular for 4x4.