Go to Tools/Options and set some basic stuff :
*Letter size (I like medium)
*Line numeration (good idea!)
*Auto-correct/finish for commands (so you do not have to type it all) :
Good youtube link.
Adding comments :
*If it is a one line comment : at the row start put two consecutive minus signs : —
*If it is a multi-line comment, at its beginning put a forward slash and a asterisk : /* and at the end reverse the symbol order : */