How to do 6 Month free and then convert to pay (Month and Annual)?

We're trying to offer 6 months free and then convert users to anual and monthly memberships. How is that done?

"Regular Plan" with 1 Month or 12 Months with collect payment in 6 months won't work. Not clear on how to convert "Freel Trial Plan" feature to payed after the six months.
1 person has
this question