Thank you for using the ENERCALC® Knowledge Base and Frequently Asked Questions area.
This is a continually expanding collection of answers to common questions.
To help you get started, here’s a curated list of our most popular questions and topics:
•Download the current installation program
•Update to the latest available build
•Difficulty with Internet Activation
•Have my current Product Control Code (PCC) sent to the email address on file
•Share your Flex license seats between computers
•Software Activation Instructions
•Windows 11 compatibility and general System Requirements
Last edited: 29 August 2025