Software Pre-Requisite

  • Platinum Class Processor
  • Minimum Memory: 512MB RAM (1GB Recommended)
  • 50Mb free space to run software
  • Sufficient space to store the saved files.

User Interface

When you launch the Sysinfo PDF Protect and Unprotect Tool, the first interface will appear like this.

User Interface

Software Working

Step by Step Guide to use PDF Protect and Unprotect Tool

  • Step 1: Run the software, choose an option from Protect PDF file or UnProtect PDF file. Hit on Next button.
    Step 1
  • Step 2: Browse the location for single or multiple PDF files and hit on Next.
    Step 2
  • Step 3: The PDF file description will be shown, then click on Next.
    Step 3
  • Step 4: Now, choose the encryption level for the output PDF file
    Step 4
  • Step 5: Afterward, provide the user and owner password. Also, you can select the other settings which you require and click on Next.
    Step 5
  • Step 6: Secure your PDF file by clicking on Protect PDF button
    Step 6
  • Step 7: Provide the path to save the resultant PDF file.

    Step 7
  • Step 8: Click on OK when the saving process gets over.

    Step 8

Frequently Asked Questions

What is the version of this software?

The version of this software is 3.0 and it is the latest version available in the market.

Yes, this software is a multifunctional tool that not only applies restrictions to a PDF file but also removes restrictions from the PDFs.

Yes, you can use the PDF Restrictor and Unlocker Tool on Windows 11 and all the other versions of Windows OS.