This post is for friends who LEARNED vim in linux machine and now using a windows gvim. For friends who used with Linux vim will know "ctrl+v" enables visual block mode. But this key combinations are used to paste the clipboard contents in windows gvim. So, how to enable that visual block mode in windows gvim? It is easy :) press "ctrl+q" thats it. Now don't forget to hold shift key to select block of text for editing.