A license key is required to unlock the full potential of VMware Workstation 15.5.6. Without a valid license key, users can only use the software in trial mode, which has limitations and restrictions.

VMware Workstation Pro is a premium tool used by developers, IT pros, and tech enthusiasts to run multiple operating systems on a single PC. Version 15.5.6, while not the latest release, is still sought after for its stability and compatibility with older systems. However, any “free key” shared online is almost certainly pirated, expired, or bundled with malware.

If you must use version 15.5.6 for specific compatibility reasons and require a key for a legacy setup: Can I license a VMWare 15 still? - Super User

Please note that these license keys are for illustration purposes only and may not be valid. You should purchase a license key from VMware or an authorized reseller to ensure that you receive a valid and supported license key.

New versions of Workstation Pro (like version 17.x) do not require an activation code for personal use.