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1. To download Pentaho Report Designer Tool please click on the following link,
httphttps://sourceforge.net/projects/jfreereport/files/04.%20Report%20Designer/3.9.1-stable/prd-ce-3.9.1-GA.zip/latest/download
Note: Compatible pentaho report designer version is - 3.9.1 The current version of Pentaho Report Designer is 5.0.1
2. It will be the zipped file with size around 170 268 MB.
3. Download it and unzip it in the required directory.
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