You can download the Read3Di plug-in for SolidWorks from this page.
Prior to downloading you should contact Artwork and request the following information:
In order for us to generate license strings you need to provide us your machine's ID. This is best done by downloading the lmtools.zip utility and running it on your machine. Use the System Settings tab and copy the Ethernet Address that it displays. See below:
v2.0.23 2.5 MB 11/09/2018