Yes it's possible to re-install the Internet Explorer browser (IE) if it's currently missing.
The target computer would have to have a browser on it like Netscape or, you can go to
http://download.com.com/3000-2356-10148260.html?tag=lst-0-6 put this 0.5 Mb file on a blank freshly formatted floppy disk and take the file to the target computer and transfer the file to the target computer's hard drive that way, don't run the file directly off the floppy. Get the target computer on-line and then double-click this above mentioned file to initiate the download of Internet Explorer 6.
For question or concerns please reply back in this thread.