Shifting from Banking Sales Tech Sales ,Please guide.

I am 33M currently unemployed I was in banking sales(insurance,credit cards,saving accounts) for 3years.and due to back pain health issues I left the job,It was field job and become exhausting. I am looking for opportunities in tech sales job which is remote as I have got health issues . I do have little IT knowledge but want to enter a field where actually the product really helps organizations,companies,firms to achieve growth. I do actually like selling a good tech product(SAAS,CRM, CLOUD). How should I start my journey ? Is there remote job for same? Will I get good exposure? Thanks for helping me .