Root adb wotn recognize phone

[droidftw]

Before i say anything else YES I HAVE SEARCHED FOR TOPICs all the topics i havr read have not helped me.
I am running windows 7 64 bit
I have uninstalled and reinstalled the drivers multiple times and it wont work. i am tring to put the super user .apk on my phone
When i type in adb devices it says
List of adb devices
and nothing else.
What is the way to fix this thank you in advance
EDIT: Reinstallled 7 more times and it worked

EDIT AGAIN
when i try to type commands with chmod it says chmod: not found