1. Look up how to solve a Rubik's Cube online.
2. Buy a Rubik's Cube.
3. Learn the basic notation for the cube.
4. Learn how to do the basic moves of the cube.
5. Practice the basic moves until you can do them quickly and without thinking.
6. Learn some intermediate moves.
7. Practice the intermediate moves until you can do them quickly and without thinking.
8. Learn some advanced moves.
9. Practice the advanced moves until you can do them quickly and without thinking.
10. Put it all together and solve the cube!