Update — installing the next minor version, i.e. the version where the number before the dot remains unchanged. For example, a minor update would be updating from 6.2 to 6.3.
Upgrade — installing the next major version, i.e. the version where the number before the dot increments. For example, upgrading from 5.6 to 6.3.
1.1. Updates and upgrades are free.
1.2. You can reuse your initial free license key with any version.
2.1. Updates are free.
2.2. Upgrades are free within 12 months of your purchase. Just upgrade your license key here and replace your old license key (i.e. remove your existing license key from the Viewer and add the new one).
2.3. If more than 12 months have elapsed between the purchase date and the next major release date, you can purchase the upgrade at a 50% discount off the new version price. Please, contact us for details on your upgrade.