I should also highlight that it's important to verify the download link's authenticity to avoid malware. Using the official source is the safest. Also, after downloading, the user might go through a simple installation process, and there might be tutorials or user guides available for using the viewer.
Another point is that users need a Cadence account. If they don't have one, they'll need to create it. Also, there might be a download manager or specific license agreements they need to agree to before downloading. cadence allegro free physical viewer 174 download link
I should also mention that the viewer is free, but maybe there are some features that are limited compared to the full version. It's important to note that while the viewer is free, the full Allegro software is part of Cadence's SPB (Sigrity) suite, which is commercial. I should also highlight that it's important to