You have several options. One is to start a new game by skipping ahead to version 0.1.4.3; you can do this by skipping the prologue, and the game will then ask if you want to start at that version.
The second is to subscribe to Patreon to get the password for the cheat book, which lets you progress much faster throughout the game.
The third option is to have someone share a save file with you. You could ask on Discord if anyone has a save file from where you left off.