ATTN: 
- these are the latest versions free for commercial use directly from Oracle!
- for newer versions of Java 8 use one of these:
    AdoptOpenJDK - https://adoptopenjdk.net/
    Amazon Corretto - https://aws.amazon.com/corretto/
    Azul - https://www.azul.com/products/zulu-enterprise/
    others: BellSoft, IBM, jClarity, Red Hat, SAP, and others.

Java archive downloads:
    https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html

more info on Java license:
    https://docs.google.com/document/d/1nFGazvrCvHMZJgFstlbzoHjpAVwv5DEdnaBr_5pKuHo/edit#heading=h.9lrypp98vt4v
    https://www.oracle.com/technetwork/java/javase/overview/oracle-jdk-faqs.html