How to put License key in a product or EA if we sell it outside MQL5

Manpreet Singh  
Sergey Golubev #:
Look at the post (where I collected everything which I found about it).

Thanks, is this similar for MT4 & MT5 both ?

Sergey Golubev  
Manpreet Singh #:

Thanks, is this similar for MT4 & MT5 both ?

Some for MT4, some of them are for MT5 (it is written about MT4 or MT5 on the links in the post).
Reason: