The SLS is backward compatible with older legacy PLM software, often back to NX 5.
Do you need assistance ?
: Third-party crack bundles often contain hidden trojans, ransomware, or spyware disguised as licensing binaries.
For modern 64-bit Windows environments, Siemens delivers this via the installer, which consolidated the older, legacy SPLM License Server utilities into a unified tool. Where to Download Siemens PLM License Server for Win64
: The installer provides an option to automatically add firewall exceptions for these ports.
For additional help, you can refer to the Siemens Software Center for a unified view of your purchased software and trials.