You want version 2.4 specifically. Here is the legal path, though it is difficult.
Q: How do I download ePlan Electric P8 2.4? A: You can download ePlan Electric P8 2.4 by visiting the official website, locating the download page, selecting the correct version, filling out the registration form, and clicking on the download link. eplan electric p8 2.4 download
Download the .zip file and run Setup.exe as an administrator. 2. Version Support and Compatibility You want version 2