Unity Portable Install Jun 2026

Select for Windows or the corresponding target zip for your OS. Do not download the executable installer. Step 2: Extract to Your Portable Drive

: To use Unity on a new machine, open the folder on your drive and run Unity.exe directly from the Editor subfolder.

Install new versions; they will now download directly to that drive. Unity - Manual Quick Tips for Portability Keep Projects Separated unity portable install

This assumes you are on a "host" machine (your primary PC) and want to deploy to a portable drive.

What (Windows, macOS, or Linux) will your primary target machines run? Select for Windows or the corresponding target zip

Connect your high-speed external storage drive (NVMe SSD recommended). Create a root directory named Unity_Portable .

:: Set temporary environment variables for Unity set "UNITY_THISISAPORTABLEBUILD=1" set "UNITY_LICENSE_FILE=%ROOT%\Config\Unity_lic.ulf" Install new versions; they will now download directly

Unity Portable is a self-contained version of the Unity game engine that can be run from a USB drive or a portable storage device. It allows developers to carry their Unity development environment with them, without requiring administrative privileges or installation on a specific machine. This makes it an ideal solution for developers who work on multiple projects, collaborate with teams, or need to work on different machines.

Return to the Unity activation screen, select the .ulf file, and activate.

: Unity may not "remember" your settings, preferences, or recent projects when moving between PCs because these are stored in the host computer's registry/AppData.

Locate Unity.exe in your extracted folder and run it.