How did Indonesia become Muslim?

What country consists of a vast archipelago of over 17,000 islands, is the fourth-largest country in the world by population, includes Java, the world’s most populous island, and is the largest country with a Muslim majority population? It’s Indonesia. How did it come to be that Indonesia has such a large Muslim majority? 00:00 Indonesia's Muslim Majority: An Overview 01:06 Arrival of Islam: Trade and Early Contacts 02:20 Rise of Islamic Kingdoms and Early Evidence 03:45 Spread to Java and Major Islamic Influences 05:50 Sufism, Peaceful Conversion, and Dutch Colonization 10:10 Modern Era, Reform Movements, and Lasting Legacy