Twój koszyk jest pustyZakupy
To delete your user account, you have to log in, then open your profile. To open it, click on the previous link or your own name in the top right corner, then choose My profile in the menu.
On a mobile device, click on the menu button in the top left corner, then the green figure to display the menu where you can find the My profile menu item.
In the Basic Information section, find your username; next to it, you will see a Delete my account link..