Cadence offers free trials or demos of their software, including Orcad PSpice 16.5. This can be a great way to test the software before committing to a purchase.

: A peer-to-peer file sharing mechanism that distributes software across many users. Torrents are often used to share large software packages.

Instead of risky torrents, you can access OrCAD PSpice through official channels: PCB Design Software | OrCAD X - Cadence