I want to use the plugin on different domain

Hello team, We purchased email customiser plugin for our woocom shop (s2-health), but now we have split the shop in to b2b and b2c, so we only want to use this plugin for our new Shop (taiga.green) I tried deactivating the plugin , uninstalling and stuff in s2 health so I can use this plugin in taiga but unfortunately I was not able to do this, I am also not able to change the active domain in villatheme my account dashboard. request to help us use the plugin in our new shop