I upgraded to pro but cant get it to work

I upgraded to pro but how do I put in the key into wordpress? it is also I think on my wrong wordpress account idk I need it to be on my website but it is on the wrong one.

Hi,

Thank you for upgrading to Airi Pro.

Plese refer to this documentation: https://docs.athemes.com/article/269-important-installing-airi-pro.

Regards,
Kharis
aThemes Support

I want my money refunded now this was supposed to be a drag and drop builder and it is not it is a plug in please refund my money now I can be contacted at oceanfront79@gmail.com or mary@riodigi.com