Need help for WP Newsletter Opt in Pop Up

hey my friends, i started my WP Blog.

Now i want a Opt In Newsletter Pop Up, what are the next steps for that?

What do i need?
Email Newsletter Account like Mailchimp?
Some Plugins for Opt in ?

Or does MailChimp support opt in Pop Ups or do I need an extra plugin for the PopUp function ?

Need Help guys

Hi my bro ,

Mailchimp has their own wordpress plugin you can try searching about it from your wp-admin plugins area

Hey, i installed it but there is no pop up function.