Build the first star
Connect five white edges around the white center. Every side color must also match the adjacent center.
A structured beginner route for Megaminx: first star, first two layers, side belts, and the final face.

Work around one face at a time and keep it pointing down so the five open slots remain easy to track.
Connect five white edges around the white center. Every side color must also match the adjacent center.
Pair each corner with its matching edge and insert the pair into its slot. Repeat around all five slots.
R U R′AlgorithmL′ U′ LRotate around the puzzle, completing one side star and its pairs at a time while preserving the solved area.
Orient the five last-face edges to form a star, then place each edge beside its matching side center.
Orient the five corners so the last-face color points up, then cycle them into their correct positions.