To be able to create a server, you need to have the spigot or the bukkit jar file. Reefer to the versions topic to select your jar
@echo off
java -Xms512M -Xmx1G -XX:+UseConcMarkSweepGC -jar {YOUR_JAR.jar}
pause
Don't forget to change {YOUR_JAR.jar} for the jar you downloaded before starting these topics.
-Xms to change the minimum allowed RAM (Ex: -Xms1024M = 1024MB, -Xms1G = 1GB). You can also edit -Xmx to change the maximum allowed RAM. Make sure the maximum is bigger than the minimum.start.bat file. Your server should now open. To run the server, you must accept the EULA.eula.txt change eula=false to eula=true
Click "Save" and then you should now be able to start your server.start.bat, open Minecraft, add a server and put localhost as the IP.