- Help Center
 - Lumin Security
 
How do I change a PDF password using Lumin?
This step-by-step guide shows you how to update your PDF's password security using Lumin in just a few clicks, ensuring your confidential documents stay protected.
- In Tool groups, click Security.
 - Click Password Protection.

 - Then, click Change password.

 - Enter the current file password.
 - Set a new password then click Save.
