To activate enter the email address used to purchase the licence and the licence number then click Activate.
The licence number can be found in your email purchase receipt or in your online account on Koinonein.com, to view your online account click My Account > Licence Keys.
If you don’t have a licence you can purchase one in the here.
You can deactivate Koinonein BitTorrent Client from here also so that you can use your licence on another device and you can also deactivate from Koinonein.com by going to My Account > Licence Keys.
Your license is valid for all users on the same PC.