Dear Sir/Mdam,
Could you please advise how can I use my credit card to validate my account? My account is stevenduong1983texas. I am looking forward to hearing from you ASAP. thanks.
This is a community forum, so nobody here can help you with that. You should be opening a support ticket on this link and choosing the appropriate category: https://support.gitlab.com/hc/en-us/requests/new