Hi,

If you are looking for something to test, you can access the odoo runbot and see, check this to see how to use and work with runbot, Odoo Runbot

You can access the runbot from: http://runbot.odoo.com/runbot

Odoo Trial: https://www.odoo.com/trial

For getting a demo link of Odoo enterprise, you can access from the runbot or you can create a free instance in Odoo trial or simply search odoo demo in the browser and open the first seach result

Thanks