While there is no official "portable" download for Unity, you can create a mobile development environment by manually moving the editor and project files to an external drive. This allows you to run Unity on different computers without a traditional installation process on each machine How to Create a Portable Unity Setup
You can create a portable environment by moving a standard installation to an external drive. Step A: The Initial Installation unity portable install
A Unity portable install refers to a self-contained installation of the Unity engine that can be run from a portable device, such as a USB drive or an external hard drive, without requiring any modifications to the host system. This type of installation is useful for developers who need to work on multiple projects or collaborate with others, as it allows them to carry their Unity environment with them. While there is no official "portable" download for
:: If the above fails, just launch normally if errorlevel 1 start "" "%ROOT%\Hub\UnityHub.exe" This type of installation is useful for developers