By default, when you install Unified Reporter and the iReport Designer Professional application, iReport contains an evaluation license. In order to install the commercial license you must upload the license file in the iReport application..
iReport Designer Professional
The Evaluation license has expired.
Open iReport Designer Pro
Go to Help --> License Manager
Click on 'Install License' and Browse to the license file. By default the file is placed on the UMP Server at the following location: