How it works if we want to use Stripe and recurrenting payments and SSL. How do we set this up?

How it works if we want to use Stripe and recurrenting payments via Stripe. Do we have to set up SSL/https. How do we set this up?

How it works with all the network sites if we need to have https:// on the main site and how do we set this up correct?

Now Im building egenhemsida.net with http:// now

I give you access if you have to look something.