Go to your:
Admin CP -> Styles & Templates -> Style Manager -> « » -> New Posting Templates » -> newreply
Find this code and add the code in red:
Make this same change to the newthread and editpost templates.
Admin CP -> Styles & Templates -> Style Manager -> « » -> New Posting Templates » -> newreply
Find this code and add the code in red:
<div><label for="cb_parseurl"><input type="checkbox" name="parseurl" value="1" id="cb_parseurl" tabindex="1" <if condition="$postpreview">$checked[parseurl]</if> />$vbphrase[automatically_parse_links_in_text]</label></div>