Please do the following:

1. Open the Projetex Server Administrator.
2. Click Upgrade.
3. Enter your new Projetex Server serial number from your last purchased license.
4. Open your new Workstation and activate it again using your last Projetex Workstation serial number.

Note: You will need to "Re-register" your other workstations with the new serial number as well. To do so, please open each Workstation's Settings, go to "Help >> Upgrades" and enter the new workstation code.