Ok i can help u and i ll try to give u a very step by step guide...
1St-You need a script generator or maker

OR

better u start with Script generator (easy to use).
2nd You will need also loader

3rd Open Your script generator In target section chose your town and also the mobs you wanna grind at, for starting status chose what u want ( i check all Auto-protect,Auto-potion,Auto-party,Use storage,Sell items,Use horse...).
In buy items section chose what u want to buy (Hp,Mp...),then click Generate Script
4th You will copy the script generated and go to agBot Folder=>Config=>Config1=>Script=>Default.lst open it with notepad and delete all what there in and paste Your script.
5th Now go to Bot interface and clik on script,clik on clear then chose Default again and the script should be saved.
6th Now use loader to log in and happy botting

.
I hope that will help you.