electrical 2010 compatibility with windows 7 64 bit

i have autocad electrical 2010 64 bit , and O.S windows 7 64 bit

when i install it , it produce this message in the attached pic

the messsage : please insert the disc :autocad electrical 2010 dvd 1 of 3

i only have dvd of autocad electrical 2010 64 bit

and autocad electrical 2010 32 bit

what is the problem ?

thanks in advance

please any one answer me what to do ?

Our Autocad 2010 came with 3 disks you should call whoever you bought it from and find out where the other disks are