How did Muhammad start spreading his message about Islam?

Answer: Muhammed started spreading his message about Islam by his relatives and his personal life.

Explanation: Muhammed started spreading his message about Islam by first relating his message to his family members, then he continued by going to public places to talk to people personally about it. Majorly, people believed him because he used his life as a model of what he preached rather than just talking everywhere.

he told his friends and family is your answer.