double client is allowed, but not on 1 machine so if you have 2 machines, it is allowed 3 clients are allowed if u have PA 2 clients if u have pa Account with PA function is not counting as running client when calculating the amount of running clients.For example, if you have two accounts (1 of them with PA and 2nd is dualbox), and will purchase PA on secondary account, you can use 3 accounts. And so on. Thread - shop