has always been free and open-source (GPL-3.0 license). There is no paid “pro” version, so any mention of “free” likely comes from confusion with repack sites or fake downloads. The official releases are on GitHub (project: kwsch/PKHeX). The version you mentioned (221218) corresponds to a legitimate build from late 2022.

Official versions are hosted for free on Project Pokémon . For specific older versions like 221218, you may need to check archives like Uptodown .

PKHeX version is a free, open-source Pokémon save editor released on 18 December 2022