Check for installation requirements:

Decide whether to install directly on Linux (6.3. Installation on a Linux host system) or to use Docker (6.4. IAM as Docker image).

Download the corresponding package from https://techzone.ergon.ch/downloads/airlock-iam (requires an Airlock Techzone login)

Install IAM according to the installation instructions mentioned above.

Read 6.3.4. Getting started after installation.