Steps for copying Minecraft saves to a PC
(There's more of this Gist than will fit in the preview. Click on it to see the whole thing)
First, open, play and then quit Minecraft at least once; to make a
.minecraft appdata folder)
Win+R, then type
%appdata% directory. There should be a folder called
.minecraft folder. There should be a
saves folder in it.
Ctrl+N might work, or type
saves folder on the first window. e.g. if your World is called
Frobnitz then copy that folder.
Now you can start Minecraft. If you go to Single Player then the "Frobnitz" world should be available to play
saves in the
Someone's hand-crafted the Minecraft profile to put them elsewhere. Perhaps a drive other than
C: to avoid filling it with everyone's Minecraft worlds!
You'll need to open up the
launcher_profiles.json file (with WordPad) and look for the
Whatever value that is (
F:\minecraft\saves in this example -- the double
\\ is because the
\ has special meaning in Minecraft's programming language, so it has to be "escaped") is where you need to copy your World folder to.
Any changes you make in the game will not go back onto the USB. You'll have to copy back after, if you want to keep them:
%appdata%\.minecraft\saves directory (or wherever the gameDir is on the PC) in one
explorer window (open a new one if you didn't keep the one above open)
explorer window (ditto about the one from before...)