(1) After you created your document with a Windows or a Linux application (for example, components of MS Office, Corel Office, StarOffice or Applixware), you will need to print it to a file using a printer driver. It is preferable to use the driver of a PostScript printer. These drivers are available free in the sites of most printer providers. We succeed using the PS driver of HP 9000 printer, which can be downloaded from the site of Hewlett-Packard. Configure the driver to obtain ".ps" files and not ".eps" ones.
(2) Then you must convert this file by means of a PostScript language interpreter like GNU Ghostscript and the appropriate interface (see below). To do this, open the ".ps" file and convert it selecting the pdfwrite option and the resolution (300 or 600 dpi).
(3) Finally, try to open the file with GSview or Adobe Acrobat Reader and verify that its content is what you expect.
Ghostscript, Ghostview and GSview
Here are the addresses to obtain Ghostscript and related software and documentation.
From http://www.cs.wisc.edu you can download the following software:
(1) The interpreter
(2) The previewer for Windows, OS/2 & Linux
(3) Previewers for UNIX & VMS
(4) The utility to redirect a Windows printer port to Ghostscript
and documentation about Ghostscript and PostScript.