avrdude wont start from CMD

i just downloaded a later copy in order for it to see by bus pirate ,hopefully , but now when i try to start it from the cmd i just get a message saying . avrdude is not recognised as an internal or external command operable program or batch file .

what now gives ??

can you post the exact command line including all parameters you use?

avrdude -c asdf

amongst others and get the same error message

i will try loading another copy again