Step 1: Before You Install

Before you run the installation program:

64-Bit Availability

The MathWorks offers both 32-bit and 64-bit versions of MATLAB. To determine whether your system is a 32-bit or 64-bit system, right-click on the My Computer icon on your desktop, select Properties, and look at the System information on the General tab.

Upgrade Installations

If you are upgrading your MATLAB installation to the latest release, The MathWorks recommends that you install the new version in a new installation folder. You do not need to delete an existing MATLAB installation before installing this release. You can run multiple versions of MATLAB on the same system — see Running Multiple Versions of MATLAB. For information about adding an additional toolbox to an existing MATLAB installation, see Installing Additional Products.

Saving MATLAB Preferences Files

The installer does not overwrite existing MATLAB preference files on your system. Note, however, that if you plan to remove a Release 12 or earlier installation, you might want to first save your MATLAB preference files. Before Release 12.1, the uninstaller provided with MATLAB automatically deleted MATLAB preferences files. See Using the Uninstaller for more information.


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