Ok, I did this It looks like this
C:\Users\bic>C:\NESpire_21\nes.tns\copy /B nes.bin+NIN_SM.nes NIN_SM.tns
Then I hit enter and this message came up
"The system cannot find the path specified"
Oh, and The "(C:\Users\bic>)" I cant get rid of, its there when I open the cmd