===== favorite configuration =====
==== use spaces instead of tabs ====
<code>
Settings -> Preferences -> Language -> Tab Settings -> check "Replace by space" option.
</code>

Ref:- https://stackoverflow.com/questions/8197812/how-do-i-configure-notepad-to-use-spaces-instead-of-tabs

==== links I came across ====
  * Move a tab to new window
    * https://stackoverflow.com/questions/13252968/how-do-i-move-a-tab-in-notepad-to-a-new-window