You can attach a Stripe account in multiple ways.

1. From the sidebar click the "Payment Methods" option. In the page click the "Activate" button on the stripe option. You will be redirected to Stripe to verify and connect your account.

‍

‍

2. While creating a plug you will be asked to select a payment option. There you will see the same options to add your stripe account . Choose "Credit Cards" to add your Stripe account.