Adobe Reader, while in Windows, PDF files open in Notepad. Choose to make the PDF file read-only and click save changes to PDF. Step 2. Click the “Restore option in the menu of Acrobat. Choose your preferred PDF reader and click restore PDF. Step 3. Open your preferred PDF reader and try to navigate through the file. If a white page-mark appears in upper-right corner of the document, you will be able to navigate the file in the PDF viewer. If a gray page-mark appears in upper-right corner, you will be temporarily prevented from navigating the PDF. Step 4. Press Alt while you are navigating through the file, and choose Acrobat Reader from the Acrobat drop-down menu. In the Acrobat Reader window, select the image(s) to restore—and click Restore to PDF again. How to make a PDF read only permanently — Lock lizard Dec 25, 2023 — To create a read-only version of a PDF, open the file using Acrobat. Click on the “More options button, where you can restrict the document's permissions and turn it into “Read-only,” just make sure to check only the boxes you select here to protect the PDF you want to protect. Step 1. Right-click on the PDF file you want to make read-only and choose to open it with Acrobat. When Acrobat opens, choose 'View' (on Macintosh, select 'Open') and then choose 'File' from the menu. In OSX, choose Acrobat Reader from the Acrobat drop-down menu. In Windows, Acrobat Reader from within the PDF viewer. Step 2. In Acrobat Reader, select the text in the ‹Protect this image› box and then click the ‹Set options for page and file protection› button to make the following settings permanent: — Protect your PDF. — Allow these instructions to appear with your PDF file. — Allow reading the PDF without password. — Restrict page navigation. Click ‹Continue. Step 3. Click ‹Save to have your changes saved to your PDF. Open Acrobat Reader.