How to Upgrade
If you have previously purchased a copy of any of our products that is not the current version, we offer special discounts to upgrade. To do this:
Additional User Upgrades
Upgrade discounts are also available for Additional User Licenses. Please contact us to find out more about additional user discounts.
When attempting to upgrade the Bundle: Seamless Digital Chart of the World + World Language Mapping System, you will notice that you have two license keys. To receive the upgrade discount, enter in your World Language Mapping System license key from the bundle.