Locate Unity.exe in your extracted folder and run it.
: Unity requires a code editor. Consider using a portable version of
When opening projects from a portable drive, drive letters can change depending on the computer you plug into (e.g., swapping from E: to F:).
Now that you have a portable editor and hub, you should also keep your on the same drive. unity portable install
: 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.
This is the most straightforward approach for most users. It leverages Unity Hub's built-in support for custom installation paths while manually relocating the Hub's configuration data.
D:\PortableUnity\ ├── Hub\ ├── Editors\ ├── Modules\ ├── Projects\ ├── Cache\DownloadCache\ └── Cache\PackageCache\ Locate Unity
Do not use the main download button on the Unity website, as it forces a Unity Hub installation. Navigate to the official .
: Asset serialization and initial project discovery take longer over USB than on internal NVMe drives.
Format the drive to (for Windows-only environments) or exFAT (for cross-platform compatibility between Windows and macOS). Step 2: Download the Unity Editor Archive Now that you have a portable editor and
: To move a project, copy the entire root folder (containing the Assets , Packages , and ProjectSettings folders) to your external drive.
: Standard Visual Studio is too heavy for a USB drive. Use VS Code Portable Mode . Download the VS Code ZIP archive, extract it to your drive, and create a folder named data inside the extracted directory to finalize its portability. Limitations and Pitfalls