The official repository for the free Community Edition is SourceForge.net, where you can find various versions of the software.
The first link led him to a gateway. It wasn’t the high-walled garden of a corporate sales team; it was a sprawling community project. He clicked through to the Pentaho Developer Edition download pentaho data integration community edition
The following is a short story reflecting a developer’s journey in acquiring the tool. The Data Alchemist's Discovery The official repository for the free Community Edition
Unzip to C:\pentaho (avoid spaces in path). Run Spoon.bat . Linux/macOS: Unzip, run spoon.sh . download pentaho data integration community edition
java -version
⭐⭐⭐⭐☆ (4/5) – No real installer, but straightforward once Java is ready.
Many users give up here. Don't be one of them.