Task: I want to keep my pdf file secure, so on the PDFelement app, set the password "DBW@321#" on the pdf file of my favorite book, "The Queen's Gambit.".
Steps:
Click on the three dots at the top right corner of the screen.
Click on the set password button.
Type "DBW@321#" in the set password input box.
Click on the Confirm password input box.
Type "DBW@321#" in the confirm password input box.
Click on the Set button.