well i upgraded to w10 from w8 added memory to 8GB also filled a SSD evo 850 500GB and to be honest this machine still runs like a bag of spanners was ok for a few weeks then surfin became a nightmare it forever freezes the only good thing i can say about it is it does download pretty fast the audio is passable i also use it for casting stuff to my smart tv i have given pc's away in the past but i would never give this away to a friend i would chuck it in the bin
and the after service was also rubbish when i asked a few questions all i got back was links to Q&A pages great technical servie that was