How to activate license?

In this video will show you how to activate the license.

[Agustin_Alvarenga]

I congratulate you for such an excellent software. I want to use it but I have errors to improve. I wrote to them for "help" but nobody answers me yet. I'm from Argentina. I need your help!!!

[Agustin_Alvarenga]

de donde saco esa licencia?hay que abonar? Si no tengo para abonar la version gratuita sirve igual?

[almostfunnyy]

is it safe to use wa rocket sender extenstion? is my number been blocked from whatsapp after the usage of this extenstions

[gertel]

I bought the monthly but they don't even attend to me, which is what happens, they don't help me with the license