move one intallation of idea to another

if I install for example aurora 915.... develop some application... and then I want remove 915 and instala 922... what I shoul to do??? First removw older and install newer? or first install newer and then remove older? Is it important were are my settings and project files??? thx for answer :)


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I just unzip the 922 on top of the older release, and replace all the files.

Then I go to the system directory and blow away the caches. It is a precautionary thing, but generally worth the effort.



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