If you have an active Siemens license and maintenance agreement, you should avoid third-party "full download" sites, which often contain malware or broken "cracked" versions.
: NX 12 was designed for macOS 10.12 (Sierra) and 10.13 (High Sierra) .
Running NX 12 natively on modern Mac hardware (especially Apple Silicon M1/M2/M3 chips) presents several challenges: NX12 is Now Available for Download - PROLIM
and an active maintenance agreement to access these downloads. Access the Siemens Support Center : Navigate to the Siemens PLM Download Server Locate the NX Product : Select "NX" from the product menu on the left. Navigate to Full Products
After downloading the installer, follow these steps to install Siemens NX 12: