Portable versions are typically "unlocked" or modified releases. For stability and security, always ensure you have a valid MathWorks license. Official support for Windows 7 ended with MATLAB R2022b.
Instead of chasing a mythical portable version, consider these legitimate, effective workarounds. matlab portable windows 7 64 bit
: While not fully "portable," it allows you to run compiled MATLAB applications on systems without a full MATLAB license. Portable Open-Source Alternatives consider these legitimate