Updates are minor feature additions and bug fixes within the same major version number, i.e. 5.0, 5.05, 5.1 etc. All registered users can update free of charge.
Upgrades are major changes to the program and a change in the left part of the version number, i.e. 5.0. All registered users can upgrade with a 50% discount off the listed price.
If a major upgrade is released less than three months after you have purchased the software, you will receive the upgrade free of charge.
