How to unlock a PDF document on Windows 10? If you are also searching for a solution to resolve this query, then download PDF Unlocker Tool. Its simple GUI enables both technical and non-technical users to efficiently learn how to unlock a PDF document. The tool supports batch as well as selective mode option, change button to choose destination saving location, removal of unnecessary files and many more advance features to help users unlock PDF documents and remove all types of password protection from them. Download free demo edition of the software and understand how to unlock a PDF document, but it will save only 1 PDF file, free from all password restrictions and all permissions enabled.