for day 2 :
"What is the number of the chapter in which Professor McGonagall cancels the Quidditch match between Gryffindor and Hufflepuff? Multiply this number by 42."
the answer is 588,
then what is "pottermore clue day 3" ?
In the Gryffindor versus Slytherin Quidditch match, in Harry's third year, how many points is Gryffindor leading by before Harry catches the Golden Snitch?
Multiply this number by 35.
The answer is 2100
then go to the page....
http://quill.pottermore.com/2100
then you'ill find quardian page
you just need to find the feather then keep watching the instructuin in the box
hehe it should be levitate the feather
how? it's easy just....
levitate feather from bottom to the up of the box by shaking your mouse left and right from bottom to top of the box (press the left botton and hold)
then congratulation, you got it
just fill the registration form