I cant download Adobe Flash on my Mac. TRIED EVERYTHING TWICE!

When you google "adobe flash player installation problems" they bring you to the adobe help website. They ask you to check to make sure you haven't already downloaded it onto your computer, I checked and it was not on my computer. Then it makes you take any kind of adobe off your computer, I did that. Then it makes you make sure that your computer allows java, so i checked it it allows everything. I have tried to exit all the open sites when downloading. Literally everything that it says to try on the adobe help site i have tried, i also googled other ways and tried that but nothing....Im desperate to get it downloaded onto my computer, i don't just want it i need it. When i hit Download it acts like it is downloading, then a little screen pops up that wants me to click on another download button, after i click that nothing happens, something pops up and says cannot download error