So , my little nephew got a laptop for Christmas : Lenovo Legion Y520 with HDD on it .... NO SSD no RAID no SSD+HDD Here comes the question ... after trying for 2 hours to install Win 10 and getting a crap load of error codes ... can't install on this configuration ... can't load windows ... tried UEFI and Legacy ... Tried all I could think about ... I have read on another site to try and install Win8.1 first then Update ... and IT Worked .... can someone more intelligent then me clear my mind as WHY IT worked !? What is with Win 10 ... it's like it's hunted with bugs present and bugs passed ! ! !