To begin with the following items must be installed (you may skip any you all ready have installed.

1. Java 1.8
2. Git
3. Maven 3.0 or later
4. Tomcat 8

Sakai 12.0 was QA tested with Java 1.8.0_111, maven-3-2.5 (though maven-3.3.9 should also work), Apache Tomcat 8.5.28