Difficulty entering on T1 form Language of correspondence, elections Canada and line 476 installments

Hi;

To choose your language of correspondence, Intro, Let’s get the rest of your personal info

Under your last name.  Preferred language

To choose Elections Canada 2nd question in the Intro, Let’s get the rest of your personal info.  This will come up in the review section also

To enter instalments. Under the Profile Section, Page 4, 2nd to last question on the page.  Did you Make tax installments.