The programs function offline after they have been activated once, but at least for this procedure and the monthly check whether your subscription is stil lactive an Internet conenction is required. No way around that.
Hi Ram2014 ,
Welcome to Adobe Forums
You can go through the link mentioned below and read the first question in the FAQ provided-
Let us know if that helps !
I have a license for students, with monthly charge to my credit card... so perhaps it need be connected monthly to validate... thanks for your help