In order to enable a local RegistryUI instance to use a subscription, the account key and account token must be entered on the Registry > Settings, Account Tab page. The account key and account token can be obtained from https://RegistryUI.com (see Reviewing Subscriptions).
Transfer the Account Key and Account Token from the subscription details obtained from https://RegistryUI.com into your local RegistryUI instance, by accessing the Registry > Settings page:
Once entered, click Save. Your local RegistryUI instance is now active and you can start customizing your registry.