Make sure to delete the DNS records that point to your old provider (A or CNAME records for host www), and that you have a CNAME record for Host www to point to @.
https://www.godaddy.com/help/manage-dns-zone-files-680?
CNAME
Host: www
Points to: @
Add the domain in your website account, turn off forwarding, and point the domain with DNS records.
https://www.websitebuilder.com/help/article/how-to-link-a-domain
A record -
Host: @
Points to: (the IP address for your website)
CNAME record-
Host: www
Points to: @
Okay, sounds like you're up and running.