Photograv 3.1 _top_ Download -

Because the code was tied to a date-based check. You need to set your computer's system clock back to 2014 before installing. (This is a known hack, but it breaks other software).

You can access the software through official distributors and the main developer site:

Unless you are a hobbyist with a vintage Windows 7 PC and a legally purchased license key, hunting for a "Photograv 3.1 download" is a waste of time and a risk to your cybersecurity. The software is a decade old, lacks support for modern fiber and diode lasers, and the free download links are dangerous.