If you have successfully installed EBS12, but not sure what to do next, here are some tips for you to complete the installation and use EBS12 efficiently. First, configure your database and application servers to work seamlessly. Second, customize the modules and functionalities according to your business requirements. Third, create user accounts and assign appropriate roles and responsibilities. Finally, test the system thoroughly to ensure all components are working as expected. By following these tips, you can maximize the potential of EBS12 for your business.