Download .RAR file from here
open the downloaded file 
now copy the .rar folder and paste it on the desktop
extract the .rar file here  
there are no arduino componet in the proteus because u did't add arduino library in proteus software
now copy the both file from here
search for the labcenter electronics and open it 
open the library folder 
now paste the copy folder here
now your arduino board is ready to use it in proteus 
your arduino board is ready now
Thank you
ProjectsDunia
http://projectsdunia.blogspot.in
