Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: The laptop arrived as scheduled in two days. Upon booting up the computer the Win operating system was Win 7 Pro instead of win 10 Pro as described. I looked on line to see if it was still possible to free upgrade to Win 10 Pro, Other users experience ranged from no, maybe, to yes perhaps if you had the product code key for Win 7 Pro. I did not see the product key code as no paperwork came with the computer and I did not see it on the computer. I also felt I should not have to do this. I called Amazon and they agreed to refund my money as they felt it should have come with Win 10 Pro installed and they could not give me an exchange unit. I returned the computer back to Amazon and I received my refund. This was a bad experience for me and while I will buy from Amazon again I won't buy from you again. Mike H

This was a bad experience for me and while I will buy from ...