Use the instructions listed below to deactivate Imatest on an online computer.
...
1. From Imatest, select the Help menu and choose License Manager (Activate). See Figure 1. (Screenshot from Legacy UI is on left and new UI is on right)
Note: The license number is automatically displayed in the License Manager window if an Imatest license is current. For this how-to article, the license number is blacked out.
Figure 1. License Manager dialog
...