Transfer your Legacy
To transfer your legacy from one install to another, the easiest way is to copy the whole "players" folder from the install to the new one.
If you're using itch.io, you can find the install folder by going to the game in your library, press the "gear" button, and press the "manage" button:
This will take you to the install folder. You can copy the whole players folder and move it to the new location.
Or if you only want the legacy file, here it is:
Be careful! This file is your whole legacy. Make a copy! If you're writing over an existing legacy, consider making a new player instead? If you lose this file, your heroes probably cannot be recovered!