Modern antivirus software will almost always flag and delete keygen executables.
When Photoshop CS2 was the industry standard, it required a serial number and online activation to prevent piracy. Like many programs of that era, "keygens" (key generators) were created by third-party groups to simulate valid serial numbers.
In 2013, Adobe took a major step by officially retiring the activation servers for the Creative Suite 2 (CS2) generation. Because existing customers could no longer "check-in" with the servers to verify their licenses, Adobe provided a special version of CS2 that did not require online activation. The Problem with Keygens Today
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