To create a Tesla!D account, open the home page and click "Register"
The home page can be found here: https://my.teslapay.eu/site/home
Then select "Apply for personal/freelancer account":
Please submit all the details prompted during the registration process. Afterwards, you will be redirected to verify your identity so make sure you have your ID near by. You can read more about how to verify your identity here.
In order to open a personal account, you have to be citizen or have a residence permit in or must be citizen (must hold a valid passport) of Ukraine, except part of Crimea (read more about Unsupported Countries).