No. You don't need to uninstall the previous version of jaws before putting a new one. Hope this helps, Harmony. From: jfw-bounce@xxxxxxxxxxxxx [mailto:jfw-bounce@xxxxxxxxxxxxx] On Behalf Of Bill White Sent: 18 December 2009 10:27 PM To: jfw mailing list Subject: Installing jaws Is it necessary to uninstall jaws before replacing it with a copy of jaws with a different serial number? If so, is it then possible to replace the jaws with one with a different serial number? Thank you in advance. Bill White billwhite92701@xxxxxxxxxxxxxx