DU Meter 5.x and earlier are no longer supported. These downloads are provided as a service for current registered DU Meter users only. Registrations for DU Meter 5.x and earlier are no longer available. If you are a first-time DU Meter user, you are advised to download the latest DU Meter version instead.
If you bought a DU Meter license later than April 1st, 2012, your serial number will be accepted by DU Meter 6. Otherwise you need to buy an upgrade, and you're entitled to a 50% discount from our current DU Meter price.
For more information, please visit the DU Meter upgrade web page.