Open Notepad and paste the following: SET APPDATA=%CD%\Data SET LOCALAPPDATA=%CD%\Data START Editor\Unity.exe
By default, Unity saves preferences and licenses to %AppData% . To make it portable, you must use a batch file ( .bat ) to trick Unity into thinking your portable folder is the "Home" directory.
To make Unity portable, you must bypass the Unity Hub installer and download the Editor "Change Set" or the standalone installer. Visit the .
Unity Hub is more difficult to make portable because it relies heavily on system-level services. For a streamlined experience, it is recommended to bypass the Hub and launch the Editor directly using the batch file method described above. Tips for Peak Performance
Once extracted, navigate into the folder. The actual editor files are usually located in a subfolder named Editor .
A truly portable setup requires your projects and assets to live alongside the editor.
Run Unity on school or library computers where you can't install software.
On your portable drive, create a root folder named Unity_Portable .
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