Tutorial - How to Add Password/Remove Password?
Wish to protect your PDF files security so
that other people won't be able to open your PDF files to do some copy
and paste? There is no doubt that adding a password to a PDF file can
surely enhance the security. You may use Advanced Scan to PDF
Free to set a password to your PDF file and
prevent it from being open randomly, especially when it contains some
important and confidential contents. You are also available to change
restrictions of your PDF files with this software.