On 10 August 2011 , Pottermore sent a congratulations email to registered users , confirming that they would get early entry and that the beta period would begin once the sign - in button had reappeared on the website .
On 10 August 2011 , Pottermore sent a congratulatory email to registered users , confirming early entry . 
 This also signified that the beta period would begin once the sign - in button reappeared on the website .