To use Tiles in your application you need:
Tiles 3.0 includes a large number of optional jar files and transitive dependencies. We recommend that you use maven or a compatible dependency manager to retrieve only the files you really need.
If however you wish to install Tiles in your application by hand:
If you are using Tiles for the first time, read the Tutorial.
If you are migrating from Struts-Tiles, see the Migration guide.
If you're an advanced user, you may find the details you're looking for in the reference documentation.
To see Tiles in action, there are two examples:
Currently it is still under development, and you can access it through its subversion repository:
http://svn.apache.org/repos/asf/tiles/examples/trunk/tiles-showcase/