: Once logged in, navigate to Software > Download Software . Locate OrCAD / Allegro 17.4 (SPB174) and download the Cadence Download Manager .

The most secure and reliable way to obtain OrCAD Allegro 17.4 is through official Cadence channels.

: Run the Download Manager and sign in with your Cadence credentials. Select the 17.4-2019 release and any necessary HotFixes (such as HotFix 028/QIR4) to begin the installation.