Solve : windows10 license?

1.	Solve : windows10 license?
Answer» Hi Guys, I am running Windows 7 home 64 when windows 10 upgrade came out as a FREEBIE I upgraded but did not like it so went BACK to 7 does this mean I could reupgrade now and would Microsoft recognise my previous activation or have I missed out ? also LITTLE CURIOUS about windows 10 software discs I can buy from amazon for £70 approx. but looking at PC World theirs is £115 are they both the same or is cheaper inferior. Thanks in advance JabbaIf it's still the same PC Win 10 will recognise the activation.

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