References > Creo Schematics Installation and Administration Guide > Appendix > License Management Software > PTC License Server
PTC License Server
To run the current release of Creo Schematics, you must install FlexNet Publisher version 11.17.1.0 or later. See Installing a License Server for details.
Flexera Software, Inc.’s FlexNet Publisher license management software is integrated with PTC software. For more information, visit www.flexerasoftware.com.