Need a little help

Well i got 99 woodcutting on my main account on runescape and im too dang lazy to make the cash on my own. It's f2p and i want it to cut varrock yews, i got the script. I just don't know what to do from there, can someone please tell me how to get it to work and unbannable? My friends brother does it and he says it works great, i also have dont panics varrock yew cutter script, so someone please tell me how to work it thanks XD.

 

id be careful with all those scripts because i also have a 99wcer (2 by the way) and got banned within a day using a magic tree chopper :/ but only a 10 day ban thankfully