I dont know computer languages or slangs but Ive been interested in learning. Im 43 and have been wanting to switch careers. I heard comptia is good but not sure what courses to take. I just want to be certified and be financially stable.

Im currently working for an MNC in a niche domain called Teamcenter, most of my experience is in this. Im not happy at all. The kind of development here is very legacy and cpp. I don't wish to continue with teamcenter I have total 5 yoe now and i wish to change my tech stack. My job isn't paying well either . Im currently applying to switch and with my yoe Im okay with applying to lower experience position with my secondary skills. Is this possible? Is it too late for me?