Solidworks Viewer 2013 Portable [work] Link
In software terms, "portable" refers to a version of an application that requires no installation. It is a standalone executable (usually contained in a folder or a zip file) that can be run from a USB stick or an external hard drive.
If you search for "SolidWorks Viewer 2013 Portable" today, you will likely find: solidworks viewer 2013 portable
You have an original USB from a 2014 trade show containing the official eDrawings installer, and you repackaged it yourself. In software terms, "portable" refers to a version
) without a license. A version takes this convenience further, allowing you to run the software from a USB drive without installation. What is SolidWorks Viewer 2013? ) without a license
This isn't true portability because it leaves registry traces on every machine you touch, but it avoids the "installation wizard."