When you double-click this .bat file, it tricks Unity into believing your portable drive is the host PC's primary user directory. All caches, package manager data, and configuration logs will be saved directly into PortableData . Step 4: Handle Unity Licensing Portability
Your entire workspace is in one place, making it easy to back up or move to a new drive. Step-by-Step Guide: How to Create a Portable Unity Install
Inside, create these subfolders:
To ensure your portable drive works seamlessly across different host operating systems, format it correctly:
A portable Unity install is a for freelancers, students using lab computers, or anyone who hoards old project versions. The initial symbolic link setup takes 5 minutes, but once done, you'll wonder why you ever let Unity bloat your C:\ drive. unity portable install
Locate the exact version of the Unity Editor required for your project. Click the dropdown for your operating system.
🚀 How to Create a "Portable" Unity Install (Run from USB) When you double-click this
You can switch between a desktop at home and a laptop at school or work without installing Unity on either machine.
in Windows to trick the OS into thinking the files remain on the C: drive. Step-by-Step Guide: How to Create a Portable Unity
The easiest approach is logging into your Unity account when you launch the editor on a new machine. Because your custom batch file redirects the APPDATA paths to your external drive, your login token will save into the portable cache folder. You generally won't need to log in again on that specific host machine.