Tagged distributions of the framework can be downloaded, or the latest version can obtained from the source code repository.
From a Distribution
The latest releases, including beta releases, can be downloaded from the Apache Struts Project.
From the Repository
Use Subversion to checkout the source code.
> svn co https://svn.apache.org/repos/asf/struts/struts2/trunk/
Use Maven 2 to build a distribution.
> mvn install
For a detailed description, see Building the Framework from Source.