Need to learn how to password protect a PDF from prying eyes? Here's a step-by-step guide on how to do just that in both Windows and MacOS using various tools.

To password protect a PDF in Adobe Acrobat Reader, you'll need the paid Pro version, which starts at $14.99 a month.

If you need to remove the password protection, open the encrypted PDF in Acrobat and enter the password when prompted. Then, go to the "Tools" tab, select "Protect," and choose "Remove Security." ...

How to password protect a PDF on Mac. 1. Open the PDF that you want to password protect, then click "File" in the taskbar at the top of the screen. 2.