Here you can download the free LiveCart core installation package.
Download installation package
LiveCart development repository
If you wish to join LiveCart development or just play around with the code, you can clone the LiveCart's Git repository, which is hosted by Github.
Additional resources
Additional downloads
You can also download and import the demo database to load products, categories, attributes and other data.
The SQL file can be imported into your database using phpMyAdmin or similar tools.