Hello Fred, You don't have to uninstall the old version before installing the new version but it doesn't hurt either. Just remember to hold down the 123/sdf and reset button before trying to install the new software. I am sure you are going to enjoy 2010. Have Fun. Charles LaPierre, CTO Sendero Group LLC http://www.SenderoGroup.com _____ From: gps-talkusers-bounce@xxxxxxxxxxxxx [mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Fred Nickl Sr. Sent: Tuesday, October 05, 2010 3:36 AM To: gps-talkusers@xxxxxxxxxxxxx Subject: [gps-talkusers] Downloading I'm shore I should know this, but do I have to delete my old version of sendero before I can download the 2010 version. I'm old so I have an excuse for not remembering this. Fred Nickl