Downloader App Problems

I need help. I am downloading the new version of Kodi onto my Amazon Fire TV Stick. Everything was going smoothly until I got to the “Downloader App”. That’s when I went to the Kodi download page and clicked on the Android button, then clicked on the ARMV8A button but nothing would happen. Clicking wasn’t working for me and I don’t know what to do. If someone knows what went wrong I would greatly appreciate some help.