Task: I want to keep my pdf file "The Queen's Gambit" secure, so on the Foxit PDF Editor app, use the feature File Encryption to protect my file and lock it with a password of "DBW@321#".
Steps:
Click on the three dots at the top right corner of the screen.
Click on the Protect button.
Click on the tab "File Encryption'.
Click on the Open Document toggle button.
Click on the Text "Required"
Type the password "DBW@321# in the input box.
Click on the Done button at the top right corner of the screen.
Click on the button "Ok".