First off - create a free account.

Option 1 - download the latest zip from the releases page.

Option 2 - pull the github repo at https://github.com/CairosAI/cairos-houdini-user-client

Follow the instructions at https://github.com/CairosAI/cairos-houdini-user-client

Check out this playlist for tutorials playlist

Check out the support page for Discord, Documentation, etc.