How to Delete Password from Protected PDF file by A-PDF Restriction Remover

From: http://a-pdf.com/faq/how-to-remove-password-and-restrictions-from-protected-pdf-files-in-a-single-mouse-click.htm

Then here we will focus on the simple method to remove password of PDF with A-PDF Restriction Remover exactly. http://a-pdf.com/security/restrictions_remover.htm