We've tried to make KNIME as easy to use as possible. Below are some resources which may help you to use KNIME.
Download KNIME Analytics Platform.
The installation of KNIME is fairly easy and straight forward: unpack and run.
Workbench User Guide
Learn more about the KNIME workbench and how to improve your performance using KNIME.
Build a Workflow
Learn how to build your first workflow, configure and execute nodes, and inspect the results.
Find more information in the Documentation section, the FAQs, the KNIME Forum, or the Community Contributions.