It you've got the FAP(foundation advantage) or higher package,
mechanism is defenitly included in your license. Run the ptcsetup.bat
in your BIN directory.
Click on next untill you get to the "OPTIONAL CONFIGURATION STEPS"
page. Select the "ADDITIONAL LICENSE CONFIGURATION" button. When you
click on next, it will show you the license configuration page. Select
the startup command and select edit.
This will show you all the available options in your license file.
Make sure all the options on the left have been moved to the right.
Click OK and then click on next untill the setup is conplete. Restart
and you should be able to get into mechanism