How to run a service exe

       
sc create servicename binpath= C:\servicefile.exe

sc start servicename      
 

if debugging, just add the either these bytes where you want to debug:

EB FE                   jmp [self]
CC                      int 3
31 c0 83 f8 74 fb       xor eax, eax | cmp eax, 0 | jz [addrcmp]