unlock PDF Files  Using Ghostscript and GSView

1.      Download Ghostscript and GSView. You'll need to download the most recent version of both (e.g., the top link on the page).

• When downloading Ghostscript, make sure you click the link in the "AGPL" column (not the "Commercial License" one).
  

 

●       Install both programs. You'll do this by double-clicking a setup file and then following the on-screen instructions.

• You'll need to install Ghostscript first since the GSView program runs using Ghostscript's code.
  

 

• When installing GSView, you have to click Setup at the top of the pop-up window.
  

 

●       Open the GSView program.

●       Open the file Location or Click and drag the secure PDF into the GSView window. If your document is user-locked, GSView won't be able to access its information.(Take the document Name for next stem Renaming)

 

●       Click File. This is in the top left corner of the screen.

• Click Convert. It's toward the bottom of the drop-down menu.
  

 

7 Make sure pdfwrite is displayed in the "Device" window. If not, you'll need to select it from the drop-down menu here.

• Click 600dpi in the "Resolution" section. This is to the right of the "Device" section you were just in.
  
• Click OK.
  

 

Type in a name. You can name your file anything, but you'll need to type ".pdf" at the end of whatever you name it.

Click OK. Your selected PDF should now no longer have an owner-lock on it, meaning you can edit the information in it,

There is also another Trial application to be used for the same problem ** Lighten PDF Password Remover