Step 2:Select 'Security' > 'Change Settings' from the top toolbar. The security method can be changed from 'Password Security to 'No Security' here. It will then prompt you to enter your password. The PDF will then be unlocked.

Step 3: Go to 'File' > 'Save As' > 'Microsoft Word' to convert the insecure PDF to Word. Finally, you convert PDF to Word and save the new document to your PC.