It is the process of verifying are we able to install the
application in our machine successfully or not as per the
document provided in installation testing
1)we have to check whether it is gel pen or refill pen
2)after we have to check cap,refill, and body are there are not
3)we have to check whether it is transparent body or non
transparant body
4)and finally ink refill or gel refill is available to
suitable for that pen