Use the "Download without installation" option to save a local copy of the entire product family (including toolboxes). This is useful for offline installations on air-gapped computers.
To download (R2014a or R2014b), you must access the archived releases section of your MathWorks Account . How to Download MATLAB 2014 Matlab Download 2014
Is there a specific reason you need R2014 (e.g., compatibility with legacy code, textbook examples, hardware drivers)? I may be able to suggest alternatives. Use the "Download without installation" option to save
After the download is complete:
: Select your operating system (Windows, macOS, or Linux) to download the Product Installer Installation Steps Download Matlab 2014 a - MathWorks compatibility with legacy code