Geez! Ilan told you what to do. Everything you need is in the second link he provided you with. if you bother to read. Click on the appropriate links and you will get to what you need to download.
People will help you here but you have to take the time to read and then learn so you won't be frustrated.
As expatter indicates, "Everything you need is" there.
The red-colored text items inside the second option below are links. Click the red-colored Stalker Client NFPS heading, and it will take you to the add-on.