The 'keycloak-overlay-{{book.project.version}}.[zip|tar.gz]' file is a Wildfly add-on that allows you to install Keycloak Server on top of an existing
WildFly distribution. We do not support users that want to run their applications and Keycloak on the same server instance. To install the Keycloak Service Pack, just unzip it in the root directory
of your WildFly distribution, open the bin directory in a shell and run `./jboss-cli.[sh|bat] --file=keycloak-install.cli`.
The 'keycloak-demo-{{book.project.version}}.[zip|tar.gz]' contains the server binaries, all documentation and all examples. It is preconfigured with both the
OIDC and SAML client application adapters and can deploy any of the distribution examples out of the box with no configuration. This distribution is only