With Restrict PDF software you can Add Restriction to PDF, Add User password Restriction to PDF, Add Permission Password Restriction to PDF without any problem and complication. The software allows user to add restriction setting to PDF file to protect PDF information. The Software has such facility ? user password, owner password, for our software you don?t need to install any Adobe Acrobat reader, hold PDF files of Adobe Acrobat version up to 9 and Support Window OS (2000, ME, Vista, XP, 2003, 7, etc). The software offers you demo version which is only capable to restrict PDF upto 25 KB and you can buy full version of software at $25.