If you need a license for VMware vCenter 6.7, here are the legitimate paths:
VMware vCenter 6.7 has reached the following critical lifecycle milestones: VMware ESXi and vCenter licensing in VMware vSphere vmware vcenter 67 license key top
This is the license you want. This is the "top" edition of vCenter 6.7. If you need a license for VMware vCenter 6