A Maintenance Plan for support and upgrades is optional, but highly recommended. The Maintenance Plan covers basic usage questions and troubleshooting as well as upgrades to major releases.
You may purchase or renew an ExtendSim Maintenance Plan for your single-user license using one of these links. Please have your ExtendSim serial number ready. If you own a network license of ExtendSim and are trying to renew your Maintenance Plan, please contact Imagine That Inc.