Upgrade to DU Meter 8.x from any previous DU Meter 8.x version

DU Meter 8.x updates are free for anyone who bought a license for DU Meter 8.x. Just download and install a new version on top of your existing one, and all settings will be preserved and your registration information recognized.

Upgrade to DU Meter 8.x from any previous major version (7.x, 6.x, etc.)

DU Meter 8 is a major upgrade to DU Meter. It will not accept serial numbers from a previous major version of the software. Our most recent customers will receive a free upgrade. Other DU Meter or TweakMASTER PRO users who wish to upgrade to version 8.0 should purchase an upgrade license, and we are offering generous discounts to current customers. The exact coupon value depends on how much you paid for your current license and when you have purchased it.

Please fill out the DU Meter Upgrade web form and receive either a discount coupon or a free registration for DU Meter 8.x