How to migrate an old installation

With the PullkitTools app open

Click ‘migrate’

Select from the list the Firefox profile where you have the data to migrate, click ‘Migrate’ and wait … Once the migration has finished, click ‘Ok’ to return to the main menu, and ‘Quit’ the app.

The migration process, as well as migrate the data, it sideloads the new addon into the choosen profile and create or replace a desktop shortcut to direct access the profile .