i am using windows 8 about 2 or 3 days ago. its good but before that I've to use windows 7. on windows seven i had installed Mozilla and i have many bookmarks on my bookmarks toolbar and at that time i was come to know that sync is useful thing so i made up a account and sync my browser data and i also got the key that time but when i install windows 8 i lost all the data and i again installed the Mozilla but i don't have the recovery key instead i do remember my id and password how can i recover my previous data which i had on windows 7's Mozilla browser ?