In this page you'll see the basic information about how to start a project under Pokémon Studio. If you prefer video tutoriel, don't hesitate to check out this video.
First of all, you need to download Pokémon Studio if you don't have it. You can find it on the following page: Releases of Pokémon Studio.
You should choose the file supported by your operating system in the Assets section:
Once downloaded, you can simply click on it and it will install and start Pokémon Studio.
When you start Pokémon Studio, you are welcomed with a simple screen allowing you to open or create a new project.
Click on the New Project button.
From there, a drawer opens and ask you for informations. Enter them and click on Create my Project.
You'll have to choose a folder, pick an empty folder so the project creation will work. Pokémon Studio will refuse to create a project in a folder that contains folder or files.
You're now all settled, you can start messing around!