x86-based personal computer (386 minimum; 486, Pentium, or Pentium Pro recommended) Microsoft Windows 95 4 MB application RAM 5 MB hard disk space, plus 7 MB additional temporary disk space available during installation For viewing PDF files inside of a Web browser: Netscape Navigator 3.0 or later (3.0.1 or later recommended) or Microsoft Internet Explorer 3.0 or later. (Netscape Navigator 2.0.2 can also be used with limitations; e.g. it will not allow you to submit a PDF form. You may also be able to use other Web browsers that FULLY support the Netscape APIs.)