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re-use of Win7 upgrade dvds after Win10 upgrade
I have some Win 7 upgrade dvds from Microsoft, previously used on pc's that have now been upgraded to Win 10.
Q: Can I use a Win 7 upgrade on an old Win XP unit ? Will it be refused as an already used key ?
What I am aiming to accomplish is after getting the XP machine upgraded & updated on Win 7, then using my 32bit Win10 iso, and see where I can go in the upgrade path.