To extend a temporal BioVis3D license, select the option About BioVis3D from the Help main menu, and then select Extend License. There appears the dialog box shown in Figure 1.
1: License extension dialog box.
The field on the top of the dialog box shows the remaining number of days of a temporal license.
The field Site Code shows a unique code that depends on the computer where BioVis3D has been installed. Send this code and your purchase code to firstname.lastname@example.org in order to get your activation code (use the button Copy to copy the site code to the clipboard). Once you receive an activation code, fill in the field Activation Code and press the button Extend License to extend your temporal BioVis3D license.