You can download the latest beta release of SilverStripe here.
Or, if you prefer, you can install with composer:
composer create-project silverstripe/installer ~/Sites/newproject 3.1.0-beta3
See the Composer Installation Docs for more information.
Want to get involved in and discuss core development?
Join our Core Developers Discussion Google Group.
Interested in knowing what happens to the SilverStripe codebase as it evolves?
Subscribe to the SilverStripe changelog RSS feed.
Want announcements of new releases to the SilverStripe codebase and modules?
Join our Release Announcements Google Group.