1. Install Siemens STAR-CCM+15.06.007 R8 Win64
   Don't install FlexNET Publisher License Manager

3. Overwrite original <15.06.007 program folder> 
   (by default C:\Program Files\Siemens\15.06.007-R8) with cracked one

4. Copy "license.dat" to computer

5. Create environment variable CDLMD_LICENSE_FILE pointing to license.dat 

6. Reboot

7. Enjoy!

Cracked by TeAM SolidSQUAD-SSQ