LTTR/INK for Adobe Illustrator comes with multiple licensing options (See Licensing and Produc Variants).
Therefore you can switch between licenses.
This is especially useful when:
- Starting a trial
- Purchasing license
- Upgrading to higher product variant
To load or change a licence in the INK plugin panel, navigate → menu icon → Manage licence → Browse licence file.
In the context window, select the licence file.