Streets & Trips probably won't run on Windows RT devices
Am I the first one to try this? Yes, most likely.

According to Wikipedia..."Windows RT is a version of the Windows 8 operating system for ARM devices such as tablets. It will officially only run software available through the Windows Store or included in Windows RT. Among the applications included with Windows RT will be Microsoft Word, Excel, PowerPoint, and OneNote 2013."

I got a RT device and just tried to install Streets the usual way (from DVD) and it was blocked before really even trying. I'm not sure if somehow coming from the Store would allow it to install or not. More investigation would be needed. S&T WILL run beautifully on other Windows 8 devices (including tablets) just maybe not the ones running the stripped down Windows RT OS.
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It's not "probably won't run." I think Malaki was the first to ask that question a couple weeks ago, which I answered here:

ref.: http://www.laptopgpsworld.com/4841-microsoft-releases-own-tablet-windows-8-a#post44228

Windows programs (like S&T) designed for x86 CPUs have to be (at minimum) re-compiled to run on non-X86 CPUs like the ARM CPU in the Windows RT tablet.

A similar situation occurred when Apple switched from PowerPC CPUs to Intel CPUs. Not only did that change require a new version of the OS, but it also required new versions of the programs too. Sometimes when changes like this are made, and if the newer processors have plenty of power to spare, the older software can run in a software emulator (if one is available), but that would not be practical in the case of the new, low power RT processors, which have relatively low performance compared to x86 CPUs.

IMO, Microsoft has probably made a mistake with these RT tablets, considering that they could have chosen to use Intel's x86 compatible Atom-series CPUs instead (for their low-end tablets), which would have allowed existing Windows programs to run on their low-end tablets. With RT, they're trying to copy the iOS/Android model but they are way too late to the party this time. But I guess time will tell.

What I think time will tell is that eventually the infatuation will wear off and people will realize that for most applications, tablets have more value for entertainment than for productivity enhancement, and I'm not the only one who has already noticed that, either. (See the excerpts from economist Robert Gordon's working paper http://www.nber.org/papers/w18315 here: http://business.time.com/2012/09/04/is-u-s-economic-growth-a-thing-of-the-past/ best summed up by this: "Invention since 2000 has centered on entertainment and communication devices that are smaller, smarter and more capable, but do not fundamentally change labor productivity...") On top of being late to a market already saturated by iOS & Android, this is another headwind that another new tablet with another new operating system will face: slowing growth and/or an overall market peak that occurs before the new RT tablets establish much of a toehold.
Microsoft will have 2 versions of their new Surface tablet. The first to market will be the Surface RT which will be available when Windows 8 launches on October 26th. The second version will be the Surface Pro, which will not be available for a few months after the RT release, but will use the Intel Core i5 and run conventional Windows programs, as well as Metro apps.
Yes, the thread referenced in the second line of my post above (which you omitted): http://www.laptopgpsworld.com/4841-microsoft-releases-own-tablet-windows-8-a#post44228
discusses the two versions of Microsoft's tablets, and some of the other tablets (e.g.: Samsung) that will run the x86 "Pro" versions of Win8.
As Marvin mentioned here http://www.laptopgpsworld.com/4841-microsoft-releases-own-tablet-windows-8-a-p2#post44238 : "Let's hope the actual price of the Win 8 Pro tablet will be also a pleasant surprise, just as the $199 RT version is."
That's still the unanswered question, since other Win8 "Pro" tablets like the Samsung are pretty pricey.
Marvin Hlavac
Larry, thanks a bunch for testing it. One never knows for certain till it is tested.
Yeah, probably should see if S&T will install on MacOS or Ubuntu, too, just to make sure...
It could have been blocked simply because I didn't have a developer license installed on the device. That would allow me to install software outside the app store. Next opportunity I get to try it I will and let you know here.
Windows RT faces a host of hurdles

Originally Posted by Marvin Hlavac
Marvin Hlavac: One never knows for certain till it is tested.
Unless S&T2013 is a Windows 8 program, then yeah, in this case, you do:

"...it’s a port of Windows to a different architecture, it doesn’t support legacy software – that is, all software written for Windows already. It’s known as Windows RT because it only supports applications written for Windows Runtime or WinRT (yes, “WinRT” refers to the runtime that works on both architectures, while “Windows RT” refers to the operating system that only works on ARM)...."
"Windows RT devices will be locked down in other ways, too. Microsoft mandates that Secure Boot on Windows RT devices isn’t user-configurable, so you won’t be able to remove Windows RT and install Linux or another operating system."

"However, Windows 8/Pro are compatible with existing Windows programs and Windows RT isn't. "

"...the software you have right now – all of it – is made such that it will only run on x86 hardware – your traditional PC. This software will therefore not be able to run on Windows RT. It will be compatible with Windows 8, so you’ll be able to continue using it if you upgrade your PC. But if you purchase a tablet that has Windows RT – despite the Metro interface looking identical on both devices – your existing software will not run. If that was confusing, let’s summarize - Windows RT will not run your existing software. Windows 8 will."
Marvin Hlavac
If Larry decided to test it, he must have had a reason. And I'm glad he shares his test results with us.
Yes Windows 8 (the OS/GUI previously known as Metro) is a bit of a branding nightmare. I can confirm MapPoint also runs great on the x86 version and supports the touch screen; but I would not expect it to run in the ARM "RT" version.

I'm already dreading the support calls that I'm going to be receiving...
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