Locate the license file at C:\ProgramData\Unity\Unity_lic.ulf . Copy this file to your external drive.
If you downloaded a .zip archive (available for some versions and platforms), simply extract it to your target portable directory. If you downloaded a standard Windows installer ( .exe ), you can extract its contents manually without running the setup wizard. Method A: Using 7-Zip (Windows)
In the "Add Modules" dialog, for each module (Android, iOS, WebGL), click the little folder icon next to the module and redirect its path:
When the activation screen appears, select . unity portable install
:: Get the drive letter of where this script is running set "ROOT=%~dp0" set "ROOT=%ROOT:~0,-1%"
: Unity requires a code editor. While Unity can be made portable, major IDEs like Visual Studio require deep system installation. To stay 100% portable, download Visual Studio Code Portable or JetBrains Rider on your external drive and set it as the external script editor. Conclusion
: Open Window > Package Manager , search for Post-processing in the Unity Registry, and click Install . Locate the license file at C:\ProgramData\Unity\Unity_lic
While there is no official "portable" version of the Unity Editor, you can create a functional portable setup by manually copying the installed editor files to a USB drive or external SSD.
Run the installer with the /D flag to specify your external drive as the installation target. For example:
#!/bin/bash export HOME="$(dirname "$0")/PortableProfile" open "$(dirname "$0")/Unity.app" Use code with caution. If you downloaded a standard Windows installer (
Save the generated License Request File ( .alf ) to your portable folder.
A truly portable setup requires your projects and assets to live alongside the editor.
: Right-click in your Hierarchy, select Create Empty , and name it "Post-Processing Volume." Add the Post-process Volume component and check Is Global to affect the whole scene.