Nc Health Care Power Of Attorney I Already Have A Blue Advantage Health Care Plan From Blue Cross Blue Shield Of NC, How Can I Open A HSA?

I already have a Blue Advantage health care plan from Blue Cross Blue Shield of NC, how can I open a HSA? - nc health care power of attorney

My wife and I are planning on opening a health savings account interest relating to our advantage Blue high deductible. They told me to register, which may contain is, but can not find information anywhere. Who knows what I can for an HSA?