If you are new to root this is the best utility/package you can find. Has everything in one easy to use place.If you are running 2.3.6, you will need the MotoFail exploit which can be found in here... http://www.droidforums.net/forum/droid-razr-hacks/198379-updated-droid-razr-utility-windows.html
Or just here... http://www.droidforums.net/forum/droid-razr-hacks/198057-2-3-6-now-has-root-method.html