Modifying the software's binary code can cause subtle bugs in simulation engines, leading to dangerous design flaws.
If your interest in ETAP is for professional analysis or educational purposes, exploring official channels or contacting the software provider directly for more information on how to obtain the software legally is the recommended course of action.
There are often legitimate ways to access software, including free trials, student versions, or open-source alternatives. For ETAP, you could consider reaching out to the vendor (Open Systems International, Inc.) to inquire about demo versions, trials, or educational access.