PC port never received any official mods
https://www.legendsworld.net/adventure/game/30383
but a modder (dremor8484) has backported over the Switch improvements - multi-language, two campaigns, classes, fixes, optional cheats / nerfs and some more
https://www.moddb.com/mods/puzzle-quest-legends-for-pc
https://www.moddb.com/mods/puzzle-quest ... nds-for-pc
Verified works and easy to install!