Quran is the holy Book of Allah, He reveal this book on Hazrat Muhammad (P-B-U-H) through the Angel Gebril. It takes about 23 years for the completion of Quran. Quran reveal from time to time on Hazrat Muhammad so at first it was in a fragments but after the death of Hazrat Muhammad his companions give it a shape of book. It is duty of every Muslim either man or woman to recite and understand Quran as it is in Arabic languages. There are many scholars who made translation of this holy book in their native languages. To download Quran you can go on these websites.