Here you can purchase upgrades for your existing eDocPrinter PDF Pro - Terminal Server / Citrix Server "server licenses". That requires that you already have upgradeble full licenses of such eDocPrinter PDF Pro - Terminal Server / Citrix Server "server licenses" otherwise you will not be able to upgrade. With Upgrade we mean eg. from Standard Edition to Advanced Edition or from Advanced Edition to Enterprise Edition etc.
Upgrade eDocPrinter PDF Pro - TSE/Citrix - Server license from Advanced Edition to Enterprise Edition. In order to upgrade you need to have a full license of eDocPrinter PDF Pro - TSE/Citrix - Server license Advanced Edition.
Upgrade eDocPrinter PDF Pro - TSE/Citrix - server license from Standard Edition to Advanced Edition. In order to upgrade you need to have a full license of eDocPrinter PDF Pro - TSE/Citrix - Server license Standard Edition in advance.
Upgrade eDocPrinter PDF Pro - TSE/Citrix - Server license from Standard Edition to Enterprise Edition. In order to upgrade you need to have a full license of eDocPrinter PDF Pro - TSE/Citrix - Server license Standard Edition.