The splash screen provides provides information about the license Optimumcut-1D is running under. If the license is invalid it will also provide functionality to enter a valid license.
As a new user, you will probably see the trial license screen. Optimumcut-1D is operating within its trial period and will continue to launch.
If you have not purchased a valid license when your trial expires, Optimumcut-1D will pause on the splash screen prompting you for a valid license. When you have purchased a license you can enter it here.
After entering a valid license, subsequent launches of Optimumcut-1D will display the license on the splash screen.
If Optimumcut-1D is unable to verify the validity of the license, the tick is displayed in grey (instead of green). If you are within the grace period allowed for offline usage then Optimumcut-1D will continue to launch.
If you are outside of your grace period for offline usage then you will get a warning and Optimumcut-1D will not launch.