Hello guys i am new here so i heard about the windows 10 update i was excited and i read about it all night and i finally decided to upgrade my laptop i am using windows 7 ultimate pack 1 i installed the Media Creation tool and ran it and then i hesitated to check if my Games would work on windows 10 and closed the application during the downloading process and i ran it again and waited all day till it finally reached 100% i was so happy and then it said ' windows 10 start-up cant be started , please try rebooting your device and try again' so i restarted and it gave me the same error so i googled it and i had to delete a $windows -ms kinda file and it worked but.... it started downloading all over again can u tell me what i did wrong and how to fix it? Much Appreciated.