Linked by Thom Holwerda on Wed 12th Dec 2012 19:37 UTC
Windows "As early as mid-December, consumers will be able to go to retail stores in the United States and Australia to purchase a Surface with Windows RT. Additional availability will be added in a number of countries in the coming months." Sales might indeed benefit from, you know, allowing the world to actually buy your halo product. Us Dutch won't be getting the Nexus 4 and 10 either.
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henderson101
Member since:
2006-05-30

Originally, yes - not since NT4. NT4 took the UI out of user space and put it in the Kernel, and so in doing, made portability much more involved. Up to NT3.51, it was designed so that every subsystem could be replaced easily - this is where a lot of the "NT is highly portable" comes from. e.g. NT hasn't run on PowerPC, DEC etc, *since* NT 4 was released. Any later port would have been a larger undertaking than "just recompiling the kernel and creating a new HAL".

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zima Member since:
2005-07-06

Though MS almost did release Windows 2000 for Alpha, IIRC - there was some RC. Afterwards, they still managed to release versions of Windows for the Itanic...

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tanzam75 Member since:
2011-05-19

Indeed, every version of NT has been released for at least two architectures.

My guess is that Microsoft has a group specifically to maintain a non-x86 build of NT. By doing this, they make sure that platform dependency does not creep in, and that NT remains portable.

--

NT 3.1 and 3.5 were available on x86, MIPS, and PowerpC.

NT 3.51 was available on x86, Alpha, MIPS, and PowerpC.

Windows NT 4.0 was released for x86 and Alpha.

NT 5.0 (Windows 2000) was released on x86 only. (The Alpha build made it all the way into the first Release Candidate, before being killed off.) A year later, though, Microsoft released an Itanium port of Windows 2000.

Itanium was maintained in Windows NT 5.1 (XP / Server 2003), NT 6.0 (Vista / Server 2008), and NT 6.1 (7 / Server 2008 R2). By the end, Itanium was clearly dead -- there were more servers running PowerPC and SPARC than Itanium!

For NT 6.2 (8 / Server 2013), Itanium was finally dropped. Not to worry, ARM came in to replace Itanium.

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