Want to try a beta version of Unity but afraid it might mess up your main setup? Download the portable version. When you are done testing, simply delete the folder. It leaves no trace on your registry or hard drive.
Download the specific target platform installer (e.g., Android Build Support).
Unity Hub will now recognize the version on your drive without needing a local install. ⚠️ Important Caveats
| Issue | Fix | |-------|-----| | "Path too long" errors during install | Enable LongPathsEnabled in Windows Group Policy or Registry. | | Hub forgets installed editors after reboot | The symbolic link broke. Re-run the mklink command as admin. | | External drive letter changes (E:\ vs F:) | Use Windows Disk Management to assign a fixed letter (e.g., U:) to that drive. | | Licensing issues | Unity licenses are tied to the machine's hardware ID, not the install. You may need to reactivate on each new PC (allowed up to 10 activations). |
: Download the Android SDK, NDK, and OpenJDK via Unity Hub directly into your portable Editor folder. Under Preferences > External Tools , ensure the paths point relatively or directly to your USB drive locations. unity portable install
Create your Unity projects on the same USB drive. This ensures that when you move the drive, Unity Hub can find the projects instantly. Step 4: Dealing with Licensing (The Portable Challenge)
The Ultimate Guide to Unity Portable Install: Run Unity Anywhere
Open a command prompt as Administrator.
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. Want to try a beta version of Unity
When the license activation screen appears, choose .
Is it possible to make Unity portable? - Questions & Answers
You can actually install the lightweight Unity Hub and "trick"
Save the executable installer or zip package to your machine. Step 2: Extract the Engine Without Installing It leaves no trace on your registry or hard drive
This script redirects Unity Hub's data footprint to a localized folder named Data on your portable drive. Step 3: Manage Licenses Offline
Navigate to the (unity3d.com/get-unity/download/archive). This page lists every version of Unity ever released.
A portable install means that the Unity Editor and its dependencies are not deeply integrated into the Windows Registry or the AppData folders of a specific computer. Instead, all necessary files, including the Unity executable, project files, and license information, reside within a single folder on a removable drive.
Getting Unity to run portably (off a USB drive or without a standard local install) is a popular "hack" for developers working between home and school or office. While Unity doesn't officially offer a single-click "portable" version, you can create one manually by moving the Editor and Hub files.
Whenever you run Launch_Unity.bat , Unity will launch using the folders on your external drive to store your preferences, layout configurations, and cache files. Managing Licenses on a Portable Drive
Standard installations bind Unity to a specific operating system registry and user directory. A portable setup breaks this dependency.