You cant "use" maplestory. It is an online game in which there are many things to do.
Level up, talk with friends, do quests, etc.
Please ask your question more clearly.
You dont
Cause in real maplestory you can show it off to all the noobs. lol.
Crossbows.
wand or staff
Double click it?
Outlaw skill
You have to go to the Nexon or Maplestory folder and you will see a Game launcher. Put it on destop and name it Maplestory, then click on it and you will play. Do not click the one that says >Go to Website<.
Use Sony Vegas =)
Use a meso generator.
Cash Shop Pets > Pet use
You need at least like 2mb to use. I use www.maplewiki.net for more information. You need over 2 GB of Hard drive space for Maplestory.
No