How to upgrade to a new major version?
Upgrade to DU Meter 9
Your upgrade to DUÂ Meter 9 is free if you bought DUÂ Meter 8 on or after January 1, 2025, and discounted if you bought it earlier. Check your license to get your new serial number or your personal discount link.
Common issues
Important!
Please do not share your serial number with anyone as doing so may likely result in the number being deactivated.