: Includes Protected Mode to prevent data theft and a PDF Whitelisting Framework for selective JavaScript use.
Open and install the AdbeRdr11010_en_US.exe file. adobe acrobat reader xi 11.0.23 download
After download, right-click → Properties → Digital Signatures tab. Ensure the signature is from "Adobe Systems Incorporated" and is valid (but note that the certificate may now be expired). : Includes Protected Mode to prevent data theft