To download Oracle Audit Vault and Database Firewall, go to the Software Delivery Cloud, select 'Oracle Audit Vault and Database Firewall' from the 'Product Pack' drop-down menu, and choose 'Linux x86-64' as your platform, then click on the 'Go' button.

Select "Oracle Audit Vault and Database Firewall 12.2 Media Pack" 

Once you download the file(s) needed, follow the Oracle Audit Vault and Database Firewall Installation Guide for detailed installation instructions.

Session Catalog 2016

Oracle Database Cloud