You need to have Adobe Acrobat on the Windows or Mac computer you want to use. All college PC’s have this installed already.
It’s important to send the password using another form of communication, this could be by phone, text or letter. If you send it by email then there’s greater chance of it being linked to the document you want to protect.
Step 1: Click the “File” menu again when viewing the open document, followed by “Properties” and then click the “Security” tab.
Step 2: Click the drop-down menu beside “Security Method”, then select “Password Security” from the list of options.
Step 3: A window should appear prompting you for a password. Check the box beside “Require a password to open the document” and enter your desired password in the corresponding text field.