How much tax do you pay on Euromillions?

The rate of tax is the full 40% if there are less than three years between you giving your gift and dying, and then it goes down to 32% in years three to four, 24% in years four to five, 16% in years five to six and 8% if there are between six and seven years between your gift and your death.
where is mega millions played
http://gamextag.com/16544/what-location-has-sold-the-most-winning-lottery-tickets
https://lottery-life.blogspot.com/2020/02/how-long-does-it-take-to-get-lottery.html