Noah System 4 uses a registration number rather than a traditional alphanumeric key. This number is found on your Proof-of-Purchase certificate and is used to generate a unique license file ( License.exe HIMSA registration site Licensing Model Overview Site-Based Licensing : Noah System licenses are issued per site/office location , not per computer or user. Multiple Workstations
: A newer subscription model that doesn't require a traditional license key file, charging per user per month. noah system 4 license key