Dear Support Intralogyc,
Gluu4 is now behind a paywall. If you're interested, you can follow [these instructions](https://github.com/GluuFederation/docs-gluu-server-prod/wiki/Getting-Access-to-Gluu-4-Binaries).
Alternatively, we have Jans, a community edition. Please visit [here](https://docs.jans.io/head/) to learn more.