If you bought the educational CD Rom version of TesselManiac! you can download an update from this page. To download the update you will need the serial number from the sticker on the back of the CD package.  Click on the link below for your desired platform. Your username is the letter a followed by your 8 digit serial number. Your password is update

e.g.   username: a13249867

         password: update

    Windows Version                        MacIntosh Version

If you have any trouble or can’t find your serial number please email me at: webmaster(at)tesselmaniac.com   (replace the (at) with @ )