Which R version my PC currently Uses?

Question

Im currently using R through Java, and im not sure which version im using.

I've stetted in R studio my R version into version 2.15.3 which is what i need:

And so is my enviorment variable setting (R_home):

But typing in the command line : "R":

So which version in being used?

Answer 1

Based on what you describe, you have the most updated version of R installed and RStudio is able to detect it. However the version of R that is currently in your OS environment variable (and hence used by Java) is not the most recent,

=> you need to update your PATH environment variable. The procedure might be a bit different whether you are on Unix or Windows.

I am sure you'll find plenty of ressources on Internet to help you do that How to update PATH variable permanently from cmd? Windows