how i can add checkbox instead of submit button

• abdul

• March 11, 2020 at 10:28 am

https://saika.li/multi-steps-form-acf/
how I can add the checkbox instead of submitting a button. means when I click on the check then the form will be redirected towards another form. and on unchecked it should remain stay on the first form in this Github Saika.li example.. https://saika.li/multi-steps-form-acf/.
please explain with solution