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  1. Install Java Software Development Kit aka SDK or JDK. (Note: Not only the Java Runtime Environment or JRE, you need the full JDK)
  2. Install SBT
    • Note: you need sbt even if you intend to do development from an IDE like Eclipse. There are things built using sbt that are necessary for the IDE environment.

    • You can find SBT installation instructions here:

  3. Install Git
  4. Increase Available Memory via Environment Variables
  5. Obtain Daffodil Source - See Getting Daffodil
  6. Execute a Preliminary Build to Retrieve Libraries
  7. Build Daffodil
  8. Run Daffodil you just Compiled from the Command Line
  9. Development Workflow