If you specifically need a license for (e.g., to run on an older Intel Mac with macOS Catalina), the process is more difficult because Broadcom has retired the old registration portals. VMWARE Fusion Personal Use Licence - Broadcom Community
How to receive a Fusion Player 13 Personal (free) license key vmware fusion 12 license key
Modern versions (13.5.2 and later) no longer require a license key at all; they "automagically" unlock during installation for non-commercial purposes. If you specifically need a license for (e
– VMware Fusion 12 Player is free for personal use . You can download it directly from VMware's website and use it without a paid key. vmware fusion 12 license key