As I said, I was also *previously* able to install JDK 9 builds but then. Eudriscabrera-JavaNet 1:49 PM (in response to Clancy Merrick). You must complete that installation before you can run this installer'. Java for OS X 2015-001 installs the legacy Java 6 runtime for OS X 10.11 El Capitan, OS X 10.10 Yosemite, OS X 10.9. Java Installation Problems in El Capitan, Sierra & High Sierra. Macs do not include Java by default so you have to download and install Java on El Capitan, Sierra and High Sierra separately.