A blog post explaining why using cracked licenses is risky (malware, legal issues, no updates) and how to evaluate network emulators on a budget.
I can write a post explaining what the software does, its legitimate use cases (network testing, simulating poor connections, etc.), and where to obtain a proper trial or paid license.
However, I can offer you a few legitimate alternatives:
I can create a post recommending legal, free alternatives like Clumsy, Network Link Conditioner (macOS), or tc/netem on Linux.