First, you need to follow the usual steps to create software localization projects.
Once the project is created, you need to include the languages to translate to. In the following sample, the client decided to translate his project from English into Italian and Spanish:
For Italian, the client has been assigned a reviewer because the review service is enabled.
For Spanish, the client decided to disable the review. You can disable the review if you have a reviewer outside the system or if you do not wish to review a particular language for any reason.