Each company will be able to have multiple projects. For example, imagine a company which have different businesses or multiple subsidiaries worldwide. In order to set up your first project, you must fill in all required fields such as Site name, Site URL, preferable time zone, currency etc. 

From this page you will be able to choose if you want to collect your taxes and set up your checkout tax display name. 

Last but not least, you have to upload your project logo for your checkout page.