If you’re looking for a legitimate copy of PhotoInstrument 77, here’s what I can suggest instead:
Searching for "cracked" registration keys or "keygens" for version 7.7 is highly discouraged. These files are common vectors for malware and ransomware that can compromise your personal data. Final Verdict
Software piracy is illegal in most countries. While individual users are rarely prosecuted, the legal risks exist. More importantly, using pirated software violates the trust and effort that developers put into creating useful tools.