If your content of a PDF file is extremely important, we suggest you add password to PDF to protect it. Here we will show you how to set PDF password step by step.

1. How to Add Password to PDF
Easily?

2. • Since PDF file is of reliable and loyalty to author and everyone can freely
view the content of PDF file if the PDF is not password protected with a
PDF reader. Sometimes its users even are able to directly change any part
of the your PDF file. If you don't want to see it happen, you can choose to
password protect your PDF documents. After adding password to PDF,
you can keep PDF from editing or even opening by the others.
• For those who have not done that before, it's a little confused and hard to
create password for PDF because there are so many methods you can
choose to add password to PDF. To save your time on searching for the
best way, here we would like to introduce the ubiquitous choice of
common PDF users to you - with Adobe Acrobat. Just follow the tutorial
below and learn the way.
• Related Recommendation: If you have got some PDF files which need to
be converted to HTML files on Mac, here we strongly recommend the best
PDF to HTML for Mac software to you. It supports batch conversion, so
you can convert them at one time with good quality and fast conversion
speed.

3. Guide: How to Create Password for a PDF File with
Acrobat?
• Step 1: Run Adobe Acrobat and open the target PDF file with it. If you
have not install Acrobat on your PC, please go to the Adobe Office website
to download and install it.
• Step 2: Go to "File" option on the top menu and choose "Document
Security".

4. • Step 3: Then the prompt will show up and the default setting is No
Security. Open the Security Options drop-down list and select "Acrobat
Standard Security".

5. • Step 4: Here you can set PDF password as you need, User Password or
Master Password. There are also other permissions you can choose for our
PDF file.

6. • Step 5: A window opens asking you to confirm the password to open the
document. After that, you will be asked to input the Master Password
again. Do as it asks you to and finish the PDF password setting.
That's it. Now you have known how to make password for your PDF
documents. In this way, your PDF files will be protected by password. Sound
great? Why not try this by yourself? Hope helps!