User Import from WP Existing Subscribers into a Membership

hello

I used to use magic members on this site and now an moving to Membership 2 Pro.

I already have our members in the WP users listed as subscribers.

The question I have is how can I add the existing WP Users to a Membership Plan that I setup in Membership Pro 2?

Just want it to work with their existing login etc.

Thanks!
Cody