aardvark it would be funny if they did just that because unless the media are a corrupt set of goons then they should be able to work out it would be an artificial block.
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We know it is an artificial block!!
The new CPU's will support a superset of the x86 / x64 Instruction set.
The only reason you will get a problem will be because MS make one.
I would bet that MS have been ensuring that all the new CPU's return a known response when queried by Win10.
Win10 will use some of the new Instruction set extensions to speed up the code on the new CPU's.
It also is a handy excuse for why the new hardware is needed for the full 'Win10' Experience.
I expect that the Win10 that has been rolled out as a free upgrade is NOT the same as the latest version for the new CPU's.
The objective of the Free roll-out is to lock-in Win10 Users, so CPU lockouts are NOT there.
At some point further down the road I expect the updates will be 'limited' because you are not on the latest hardware.
The pitch will be that you are losing out because you are not on the best hardware for Win10.
[That will be the 'ying' for the Hardware Vendors to balance out the 'yang' of complying with the 'request' from MS.]
The idea of a multi-tiered experience is already there as the difference between the Domestic user and the Enterprise user.
The rest is just an extension for the time being until the older hardware disappears due to natural wastage, so to speak.
The new improved MS seems to be on a roll and I am waiting for 'OS on a subscription' following the huge success of Adobe 'renting' their software. [Wait a year or two.]
The driver behind all this is pure and simply money, they are trying to claw back not only the cost of Win10 but the cost of the failure of Win8.x as well.
At the current rate they will succeed !!