Final Cut Pro X | How to reinstall Final Cut Pro and other steps to resolve an issue with FCPX

Final cut just dissapeeared from my computer, It shut off, and there is NO RECORD i t was ever on my computer, it is The weirdest thing, AND THE WORST part, My apple id got hacked a while ago - so i can't redownload!

You are Genius! I’m going to try these steps! You have a gift for taking complicated things and explaining them in a very simple intuitive way. Thank you!