You're looking for information on OrCAD 16 Capture Portable UPD. Here's what I found:
: Users can replace multiple cache parts in a single operation. All options previously limited to "Replace Cache" now work on "Update Cache" as well. orcad 16 capture portable upd
In the world of PCB design and electronic CAD, remains a gold standard for schematic entry. For many engineers still maintaining legacy projects, version 16.6 (often referred to colloquially as "OrCAD 16") is the last "lightweight" workhorse before the industry shifted heavily toward the 17.x subscription model. You're looking for information on OrCAD 16 Capture
Unzip the portable folder to a directory with short path names (e.g., C:\OrCAD16_Portable\ ). Long file paths can sometimes cause issues with older OrCAD engines. Use only native OrCAD 16 Capture Portable functionality
: "UPD" files or portable cracks found on third-party sites are common vectors for malware and trojans. Stability Issues
Therefore, a "portable" version found online is almost always a created by third parties. This involves taking a fully installed version of the software and packaging it into a single executable container (using tools like VMware ThinApp or Cameyo) so it runs in a sandboxed environment.