Drag and drop the Editor folder onto your portable storage drive (preferably a fast USB 3.0+ or external NVMe SSD). Method B: Command Line Extraction
This script ensures that Unity Hub uses the configuration folder on 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)
While a portable setup offers flexibility, keep these performance tips and constraints in mind: Performance Tips
There are several benefits to using a Unity portable install: unity portable install
You can redirect Unity's environment paths by launching it via a command-line script. Open the folder where your portable Unity.exe is located. Create a new text file and name it launch_portable.bat . Right-click the file and select . Paste the following lines into the file:
If you downloaded a .zip archive, simply extract the contents directly to your target portable storage device (e.g., E:\Unity_Portable\Unity_2022.3\ ). Method B: Extracting from an Installer Executable
To achieve this, you need a fast USB 3.0/3.1 flash drive or an external SSD (at least 64GB recommended to hold the Hub and multiple editor versions). 1. Prepare Your Portable Drive
: Go to your computer's program files (typically C:\Program Files\Unity ). Drag and drop the Editor folder onto your
Go to the "Installs" tab in Hub.
Run Unity on school, work, or library computers where you lack administrator privileges.
on the host computer (the Hub itself usually requires installation on the system drive). Open Hub Settings (the gear icon).
To avoid performance bottlenecks, you must choose the right storage media. Unity reads and writes thousands of small files during compilation and asset importing. If you downloaded a standard Windows installer (
Run the installer. When asked for the destination directory, point it exactly to your portable editor folder ( UnityPortable/_Editors/2022.3.x/Editor/Data/ ).
: External NVMe M.2 SSD connected via USB 3.1 Gen 2 or Thunderbolt.
: Plug your external drive into a school, office, or internet cafe computer and start coding immediately.
While Unity does not offer an official "portable" version in the same way some software provides a standalone .exe , it is entirely possible to create a setup that runs from an external drive or USB. This is particularly useful for developers moving between different workstations or those with limited local disk space.
Unity Hub (since version 2.0+) allows you to redirect every single one of these paths . The editor does not use hard-coded registry paths for core execution; it uses relative paths from its own root for binaries. The license file, once placed in the right location, is machine-agnostic for a Personal (free) license.
Because Unity Hub does not officially support a "one-click" portable creation wizard, you must set up the directory structure manually. Step 1: Download the Unity Editor Directly