Most don’t invest that much into anti-piracy protection and you can avoid it with simple firewall and GPEdit corrections for the unlimited premium spoof.
There are also the key gens that emulates the server or the software to receive the codes or give a confirmation to the software.
This is all very oversimplified and there are an infinite number of anti-piracy methods that the companies don’t even want to try to solve since it’s all free advertising and it gets people used to their software when they have to buy it.