[Improvement]: Update 'Creating a support ticket' to reflect the login requirement for the support portal. (#49231)

Co-authored-by: Gaurav Ketkar <9720857+gaurav-ketkar@users.noreply.github.com>
Co-authored-by: Ben Ahmady <32935794+subatoi@users.noreply.github.com>

Author: 3 people

content/support/contacting-github-support/creating-a-support-ticket.md

@@ -81,8 +81,12 @@ Especially for tickets with {% data variables.product.support_ticket_priority_ur
 
 {% endnote %}
 
-1. Navigate to the {% data variables.contact.contact_landing_page_portal %}.
-1. In the bottom-left corner of the page, click **Contact us**.
+1. Navigate to the {% data variables.contact.contact_landing_page_portal %} and choose one of the following options:
+
+   - To sign in with your {% data variables.product.prodname_dotcom %} account, click **Sign in with {% data variables.product.prodname_dotcom %}**.
+   - To sign up for {% data variables.product.prodname_dotcom %}, click **Sign up for {% data variables.product.prodname_dotcom %}**.
+   - If you can't sign in or sign up, click **Can't sign in?** and fill out the form. You will be guided through an email verification process.{% ifversion ghec or ghes %} You will need to upload your {% data variables.product.prodname_enterprise %} license. For more information, see "[AUTOTITLE](/billing/managing-your-license-for-github-enterprise/downloading-your-license-for-github-enterprise)."{% endif %}
+
 {% data reusables.support.submit-a-ticket %}
 
 {% ifversion ghes %}
@@ -93,6 +97,13 @@ Especially for tickets with {% data variables.product.support_ticket_priority_ur
 {% data reusables.enterprise_site_admin_settings.management-console %}
 {% data reusables.enterprise_management_console.type-management-console-password %}
 {% data reusables.enterprise_management_console.support-link %}
+
+1. Choose one of the following options:
+
+   - To sign in with your {% data variables.product.prodname_dotcom %} account, click **Sign in with {% data variables.product.prodname_dotcom %}**.
+   - To sign up for {% data variables.product.prodname_dotcom %}, click **Sign up for {% data variables.product.prodname_dotcom %}**.
+   - If you can't sign in or sign up, click **Can't sign in?** and fill out the form. You will be guided through an email verification process. You will need to upload your {% data variables.product.prodname_enterprise %} license. For more information, see "[AUTOTITLE](/billing/managing-your-license-for-github-enterprise/downloading-your-license-for-github-enterprise)."
+
 1. If you'd like to include diagnostics with your support ticket, Under "Diagnostics", click **Download diagnostic info** and save the file locally. You'll attach this file to your support ticket later.
 1. To complete your ticket and display the {% data variables.contact.enterprise_portal %}, under "Open Support Request", click **New support request**.
 {% data reusables.support.submit-a-ticket %}