Many sites claiming to offer "free keys" or "keygens" for version 7.7 (often hosted on Google Drive or document sharing sites) are common vectors for malware, adware, or phishing.
Using an unregistered version of Photoinstrument 7.7 can have several consequences: --- Photoinstrument 7.7 Registration Key
Security and practical risks of unauthorized keys Many sites claiming to offer "free keys" or
: The developers offer free licenses to bloggers or recognized forum members who post an honest review or recommendation of the software. You can also earn a license by helping translate the program's language files. Why Avoid Unofficial Keys? --- Photoinstrument 7.7 Registration Key