Today Microsoft unleased build 10240 to both the fast and slow rings for Windows Insiders. The Verge reported earlier today that build 10240 would be the “RTM” or “Release to Manufacturing” build and while that has not officially been announced, this build does take some big steps towards being less of a testing build and more of a release candidate.

One obvious change that signals this is not a typical beta build is that the Windows Version watermark in the bottom right corner of the screen is now gone. Another point to make is that this build has been released to both the fast and slow rings at the same time, so clearly they have tested well internally. Since it is in the slow ring, typically that means that there will be ISOs released but perhaps it is too early for that.

The blog post doesn’t have much else in the way of details which makes sense since they have moved into a bug fixing phase rather than adding features. One thing that they did say is that their new browser, Microsoft Edge, continues to receive performance updates and they show it faster than Chrome in several javascript benchmarks. This is in line with what I tested back in January when the Edge rendering and ECMAScript engines could be enabled inside of Internet Explorer 11. I’m downloading the latest build now so once completed I’ll compare it to the numbers we saw in January to see what kind of increases in performance (if any) have been made in the last six months.

The touch first versions of Office have been available on Windows 10 for a while now, and they have now dropped the preview moniker but gained the Mobile name to distinguish them from the desktop counterparts. On phones, the mobile name is not necessary since you can’t have both installed anyway.

Today marks two weeks until launch, and the RTM build (if this is it) will be shipped to OEMs to use as the basis for them to install on new hardware. For those that are not in the Windows Insider program, up until now every new build has been a full install of Windows overtop of the existing one, and once they move to RTM it will likely shift to a Windows Update style where just components are updated rather than the entire OS, which should make it a lot quicker to get updates.

Check out Windows Update now and be sure to be signed in with your Windows Insider Microsoft Account in order to get the latest build.

Source: Windows Blog

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  • kspirit - Wednesday, July 15, 2015 - link

    Brett, I love your reviews and I can't wait for you to pick apart W10 and give the details on all the under-the-hood changes about performance and efficiency that you guys are so good at. :)
  • powerwiz - Thursday, July 16, 2015 - link

    You will be amazed especially if your a gamer when they roll out DX12 games. DX12 is basically AMD's Mantle. Google some benchmarks. There double in some cases..same hardware just a software upgrade.

    Edge is blistering fast. Lacks add-on stuff but that will come. The GUI is cleaned up immensely. That is a personal perference how you like things but its pretty sweet.

    Going forward Xbox, MS Phones, Tablets all will run the same operating system different interface. The ability to make Universal Apps that run on all platforms is nothing short of amazing. MS also provides developers software to make most of that painless. Literally probably this time next year apps for there Tablets and Phones should have exploded.
  • hughlle - Thursday, July 16, 2015 - link

    Personally my experience leads me to disagree. I have to keep chrome installed on both my machines because edge just won't quit locking up on half the websites visited until some element or other has completed loading.
  • piiman - Saturday, July 18, 2015 - link

    "You will be amazed especially if your a gamer when they roll out DX12 games."

    Well as of now Game compatibility is rather poor. I just started going through my game library and so far most of it has problems ranging from simply won't start to only opens in a window or strange graphical glitches. I suppose this could be AMD's driver but don't really know. Apart for it still being a flat and ugly OS its shaping up nicely otherwise.
  • HollyDOL - Monday, July 20, 2015 - link

    Running on nVidia, I play(ed) Civilization V, Might & Magic Legacy, Camelot Unchained, Mass Effect 1-3, Witcher 1 and 2, tried Witcher 3 (but didn't really play yet so can only say it starts and seems working) plus few dosbox old school.. Except issues in ~Feb-March (I think) when Civ V wouldn't start at all I haven't had any problems and was actually suprised how well it works...
    And until recently I was running with Microsoft driver (got GTX 580 card). It sounds like a driver issue, but who knows...
  • ricardo42 - Saturday, July 18, 2015 - link

    Learn the difference between your and you're, and there and their.
  • blackoctagon - Sunday, July 26, 2015 - link

    And they're
  • K_Space - Wednesday, July 15, 2015 - link

    Anyone got issues with Edge being unable to lookup loopback addresses? I've got Plex Server running and it just refuses to open via Edge but runs fine on Firefox
  • Makaveli - Wednesday, July 15, 2015 - link

    Updating my VM now.
  • redviper - Wednesday, July 15, 2015 - link

    This was fixed in 10162 (and in 10166).

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