The user specifically mentioned version 174. I should verify if version 174 is still available or if the latest version has been released. Sometimes, older versions might not be on the official site anymore, which could be a problem. If it's not available, the user might need to check support pages or contact Cadence directly. But I should advise against downloading from third-party sites due to security risks.
If the 17.4 viewer is no longer listed, you can use the "Allegro/OrCAD Free Physical Viewer 22.1" or 24.1 (which prompts a database update). However, for native 17.4 viewing, the legacy 17.4 installer remains the gold standard. Some users archive their own copies—ask on official Cadence forums for archive access. cadence allegro free physical viewer 174 download link
Here is the to obtain the viewer.
