A System 8 means you select 8 numbers, a System 17 you select 17 numbers and so on. You can however combine the benefits of a PowerHit entry (where you are guaranteed the Powerball number) with a System entry (known as a PowerHit System entry) to give you more chances of winning.
lotto ireland win
https://lottery-life.blogspot.com/2020/02/what-tim...onights-euro-million-draw.html
http://howtodate.pw/11333/can-we-buy-lottery-tickets-online-in-india