Once logged into the download portal:

https://www.cadence.com/en_US/home/tools/pcb-design-and-analysis/allegro-free-physical-viewer.html

: It supports cross-probing between schematic and board files, helping teams find critical components and nets quickly during design reviews.

: For new users, Cadence provides a standalone installer via the email link mentioned above. Download Manager : Updates for version 17.4 can be managed through the Cadence Download Manager , which requires your Cadence login credentials. EMA Design Automation Key Features of the 17.4 Viewer Supported Formats : It opens board files ( ), design partitions ( ), module definitions ( ), and symbol drawings ( Functionality

Cadence Allegro 17.4 Free Physical Viewer : Your Guide to Design Reviews