Minecraft - Setup Server For windows[Can't do MAC One]
TEXT
1: Go to minecraft.net > Downloads
2: Now download The Minecraft_Server.jar [Make Folder into Desktop]
3: Copy&Paste Minecraft_Server.jar and put it into Folder [ what did u make at part 2]
4: Go the folder and Right click in Folder > New Docoment
5: Use this code : -Xmx1024M -Xms1024M -jar minecraft_server.jar nogui. if you are using Craftbukkit then : -Xmx1024M -Xms1024M -jar craftbukkit.jar nogui.File > Save as > Set All > Name : Run_Server.bat
6: Open it up
7: Now wait till it's finishing and then write : stop after this press any keyboard key 
8: Open Server.Properties
9: And setup it as way as you want
10: Done!
VIDEO:
Thumps up if you are want more Tutorial with Text-Video 
check this out.