USB flash drive must be formatted FAT32.ok, so the usb key you used on your windows computer may not be formatted in a format recognised by the tv box which runs linux.
if you don't have wifi usb already setup, then you cant connect it to wifi but if you have a network cable (looks like https://media.startech.com/cms/produ...cxmbk.main.jpg), then you can connect the box direct to the sky wifi box (will have ports at back i think - example eir box Attachment 64792) thus making the next few steps easier.
But would be much easier if the OP connects to the box via the home network.
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