This save spawn you next to the Rebreather Cave at the same spot as if you were to spawn in

1:Peaceful 2:Normal 3:Hardmode

To install the save simply put it in C:\Users\NAME\AppData\LocalLow\SKS\TheForest\76561198043340412\SinglePlayer and override the replace, keep in mind this will delete your slot 1,2,3 save if you want to have it as a different slot just change the number to what you want it to be