Troubleshooting Tips for Licensing and Creo View Runtime > Online Information
  
Online Information
See www.ptc.com/en/support for a wealth of how-to information for new and experienced users, including order and license support. The Customer Support Guide provides online tools and other support services. You can search the Knowledge Base of over 14,000 technical documents or download reference documents.
Customer Support Guide and Contact Support are available at the My eSupport page. For information on FlexNet Publisher diagnostic environment variables, consult the FlexNet Publisher License Administration Guide.