If you purchased from Magix/Xara, contact support. Magix uses a registration system that requires online activation.

: When you buy the software, a unique serial number is sent to your registered email address as confirmation. Official Purchase Options : You can purchase the software directly through the Xara Purchase Page

That’s normal. Purchase a license to remove it.

Unlike heavy 3D rendering suites that require a supercomputer to run smoothly, Xara 3D Maker 7 is lightweight. It allows you to create high-quality, anti-aliased 3D graphics in seconds.

: Once a serial number is shared publicly, developers often block it in subsequent updates or during online activation. Security Hazards

Magix officially discontinued support and sales for Xara 3D Maker 7