If you are indeed autistic and it is a problem in your daily life, knowing what is the problem is the first step to dealing with it, I think. You could even find strategies to turn hindering aspects of the condition into strengths, by knowing where your issues may stem from. And on the bureaucratic part of diagnosis, sadly I can’t comment as I don’t have much experience with that part.
I’d have 4 main solutions I can think of, and that can be used together if needed: