Okay, I’ve tried every suggestion I could find - and failed miserably - but my Kindle Fire just does not want to ‘behave’ itself. Can I please have suggestions so I can try again because I have so many ideas! 
Sorry, I don’t understand what you’re asking… are you having trouble downloading something?
Apologies, I forgot to include the problem in my comment -
I have read the guide and helpful comments on how to download Choicescript but I must keep going wrong somewhere because I find it impossible, for kindle at least.
Maybe if I knew and understood how Firefox /Google Google Chrome came into this I’d be less pathetic; I fail with technical stuff despite my obsession with sci-fi. I hope this is clearer now.