Cadence Allegro Free Physical Viewer: 174 Download Link

If you’re working with OrCAD-designed files (.PCBDOC), check out the OrCAD Free Viewer instead.


The Allegro Free Physical Viewer (often shortened to Allegro Free Viewer) is a free, read-only version of the industry-leading Allegro PCB Editor. It allows any stakeholder to open, view, measure, and print Allegro PCB designs without purchasing a license. cadence allegro free physical viewer 174 download link

As of the last verified index, the correct file name for the Windows 64-bit installer is: Hotfix_SPB17.40.xxx_wint_1of1.exe (where xxx is the latest hotfix number, e.g., 028). If you’re working with OrCAD-designed files (

Do not trust third-party websites offering a standalone "FPV_174.exe" – these are often malware. Always ensure the download domain is cadence.com or downloads.cadence.com. The Allegro Free Physical Viewer (often shortened to

Temporary Alternative: 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.