PDF Lock is a quick pdf file locking solution for users that are looking for a tool to protect PDF files, to lock PDF files, to secure PDF files easily and readily. With PDF Lock program users can easily lock pdf files with password, protect pdf from copying, protect pdf from printing, protect pdf from editing in just few clicks. Software secured content of PDF file from being copied, edited and printed by locking PDF files with both User and Owner Password. Now use PDF Lock program can lock PDF file with restrictions like printing, content copying, content copying for accessibility, page extraction, commenting, filling of form fields, signing. With PDF Lock program you can quickly apply user password to protect, lock and secure PDF files of Acrobat version up to 9. The program enable users to apply 2 security settings: 1) Lock PDF files with User Password ? By adding or locking PDF files with user Password, one need to a password to open PDF files protected with user password. 2) Lock PDF Printing, Editing and Copying ? By adding Printing, Editing and Copying restrictions to PDF files, one will not be able to copy, edit, print PDF files. PDF Lock program can be used to lock PDF file, protect pdf file, secure adobe pdf file etc. The program to lock pdf files and to lock adobe pdf documents successfully runs on Windows 98, ME, NT, 2000, XP, 2003, Vista, 7 systems.