

The following instructions may require administrative or superuser privileges, and can possibly cause damage to your system. You may have to make a second "Drive" folder if you want to use 1.5.2 or before, as that uses an older launcher. minecraft ("Data") folders in order to quickly switch to an older version of Minecraft or play with mods, make multiple "Data" folders, with different names ("1.6.4", "Modded", and so forth) and a batch file for each one.

Use this script if you are using Minecraft.jar. Set appdata= D:\Games\PortableMinecraft\Data\

If you are getting an error stating that the system cannot find Minecraft.exe/.jar, use this script if you are using Minecraft.exe. Note: Make sure to include the quotation marks ("") and choose "All Files" for the "Save As Type" field, or else Notepad will try to correct it to and it will open as a text file rather than an executable script. Navigate into your Minecraft Portable folder ( not Data). You will need about 8 GB minimum of space in the directory/portable drive.
