How to install additional toolboxes in matlab r2012a?

I m using matlab r2012a version. I want to download toolboxes like 'image processing toolbox'. I already have few toolboxes but require some more which were not installed while installing matlab. How do I install them in 2012 version? Or where is add-ons in matlab r2012a version?

Answer 1

[Monika Jaskolka]

Please see this answer from MathWorks: https://www.mathworks.com/matlabcentral/answers/101885-how-do-i-install-additional-toolboxes-into-an-existing-installation-of-matlab