Insert your USB flash drive (or create a folder on your desktop, like C:\PortableGames\TLauncher ).
Portable TLauncher does not include Java. However, it will automatically download a portable version of Java (OpenJDK) into its own runtime folder during first game launch. If this fails: portable tlauncher
The standard TLauncher installer often requires admin privileges to write to Program Files and the registry. The portable version runs directly from its folder. If you are on a restricted account (school, library, or workplace), Portable TLauncher is your only option. Insert your USB flash drive (or create a
By default, Portable TLauncher stores game files in \[USB]\games\ . This is fine for USB 3.0 drives but slow on USB 2.0. If you are playing on the same computer frequently, consider using a symlink: If this fails: The standard TLauncher installer often
Change this path to point to a subfolder within your USB drive (e.g., G:\Minecraft Portable\game-data\ ).