There are two versions of Internet Explorer 10 in Windows 8—a Metro app and a desktop app. Both share the same rendering engine and, unsurprisingly, perform identically on the same hardware. The only difference is UI, and the fact that Metro’s IE will not run plug-ins like Adobe Flash or Microsoft’s own Silverlight.

To reflect the distinction between the Metro version of IE and the desktop version, both Metro and the desktop retain separate default browser settings—you can run Firefox or Chrome as your default browser on the desktop and stick with IE in Metro, but you can also specify desktop browsers as the default Metro browser, meaning that links clicked in Metro apps like Mail will dump you to the desktop to open rather than stay in the Metro interface. Oddly, if you decide not to use IE as your default Metro browser, the IE completely disappears from Metro, and it takes a trip into the desktop Internet Settings control panel to re-enable it.

The Metro version of IE is a minimalist, touch-centric affair—the address bar is located at the bottom of the screen, and will disappear from view when it’s not being used. While typing in the address bar, IE will display a tiled list of your most frequently visited sites, as well as sites that you have “pinned” using the address bar’s pin button—these pinned sites will also show up on the Start screen. The address bar also has the requisite Back, Forward, and Refresh buttons, as well as a Tools button that will let you search the current page or open the page in the desktop version of IE (the desktop version contains no such button to open pages in Metro mode, at least for now).

The most consistent way to bring up the address bar on a PC is by using the Windows + Z keyboard shortcut that we discussed earlier, which will also bring up Metro IE’s tab interface, which displays big, clickable thumbnails of all your open tabs. You can also open new tabs, clean up your tabs (which closes all but the active tab), or open a new InPrivate browsing tab, which is clearly marked with a blue “InPrivate” icon.

The desktop version of IE looks more or less like IE9, though of course the UI hasn’t necessarily been finalized at this point. One of the only noticeable differences is the presence of a Metro-style scrollbar on pages that require one. Also new is an “Install new versions automatically” checkbox in the About Internet Explorer page, reinforcing Microsoft’s desire to get and keep Windows users on the most current IE version their operating system supports. There’s no evidence that Microsoft plans to move to the rapid-release cycle that Google and Mozilla have both adopted (such a decision would give enterprise IT managers apoplexy), but this sort of functionality would theoretically make it possible.

Benchmarks

Now, let’s peek under the hood and get a few performance numbers. According to these basic tests, IE10 is faster than IE9 by a noticeable margin, but it can’t quite catch up to the current versions of Firefox or Chrome. These benchmarks were all run on the Dell Latitude E6410 that served as my main Windows 8 machine for this review.

Kraken JavaScript Benchmark 1.1

v8 JavaScript Benchmark v6

Interestingly, all browsers performed the v8 benchmark slightly faster in Windows 8. The difference isn’t huge—just a few hundred points in both cases—but it is both consistent and measureable, and I thought it interesting that the OS update slightly improved the performance of these third-party programs. Kraken scores were consistent across Windows 7 and Windows 8.

The New Task Manager Windows Recovery Environment and Secure Boot
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  • Andrew.a.cunningham - Friday, March 9, 2012 - link

    Hopefully some of those multi-monitor and "four corners"-related issues get worked out in the release candidate. It would help a lot.
  • Impulses - Saturday, March 10, 2012 - link

    I'm not holding my breath for that... It took them until Windows 8 to add basic taskbars for the extra screens, it'll probably fall to 3rd party developers to make the whole Metro/Desktop paradigm usable with multiple displays, just like we relied on them for multiple taskbars, better wallpaper support, etc.
  • Exodite - Saturday, March 10, 2012 - link

    Well, I don't know if my 2c is worth much but the answer to that would - in my opinion - be 'why should we?'.

    I don't /have/ to use Windows, it's a personal choice.

    If the UI, or anything about the user experience in general really, ends up being a bother for me I can quite easily migrate to another platform.

    I suppose this is a good thing, if taking the long view. Microsoft might inadvertently encourage diversification of the desktop computer space by making W8 horrible to use for a notable minority.
  • B3an - Friday, March 9, 2012 - link

    @Andrew and everyone else who worked on this - great article :)

    It's nice to FINALLY see a very detailed article that shows all the improvements in Windows 8. Too many people are focused on just Metro. I'm sick of having to write long posts explaining to people how to use Win 8, and why it's faster and more powerful for most tasks if people would actually just learn new things, and then having to mention all the new features to the desktop. Now i can just refer people to this article ;)

    Great work.
  • jabber - Friday, March 9, 2012 - link

    Don't have time to learn new stuff that's not putting money in the bosses wallet, just need to get the work I'm paid to do done ASAP. That's why Windows 7 worked so well.

    Companies don't pay folks to sit and learn learn new software or want to hear them bleating on about how they don't know what to do.

    Too much like hard work. Sorry but that's how it is. Business as usual is king.

    I too can see some great improvements in 8 its just that it (as in Metro) is NOT designed for a standard run of the mill PC environment.

    Windows tablets are not going anywhere. That ship sailed for MS years ago. It's the Zune all over again in that regard. So just keep it for phones and maybe adding a little fun to those desktop all in one monstrosities that HP etc. make.
  • B3an - Saturday, March 10, 2012 - link

    I'm so glad MS have not listened to people like you with Win 8. If they did then im sure we'd all still be using Windows 3.1.

    And your comment makes no sense. Win 8 is faster for work when you actually get used to it, so in the long run this will pay off as people will be more productive. And people have to learn new software all the time, like the Ribbon in MS Office.
  • Magnus101 - Friday, March 9, 2012 - link

    I am on a multi-monitor setup and I tried the dev version in Virtual Box last month.
    I had to turn off Windows 8(had to do a different setting for the virtual machine, I think).
    Couldn't find where to power off.

    Found out by a video that I had to hoover in the right hand corner, but that didn't work. I thought the version I used had dumped that ability (the youtube video was quite old).
    So I had to look up a shortcut to open up the start menu and finally get it to shut down.

    Of couse the problem was that I used multiple monitors (use 3) and that I coudln't "snap" to the point where the start menu was.
    This shows how extremely bad this is.

    Another idiotic thing with metro is that programs behaves like apps on a mobile phone. They don't really shut down unless you force them to.
    I tried one of the metro games where there was some music playing. There was no option to quit the game, so when I left it, the music was STILL playing in the background.

    I had to force close the damn thing to stop the music playing!

    And I find absolutely nothing that makes my experience better with metro than the Windows 7 taskbar. Less clicks and more things in a smaller place is ideal for me. Not to mention that the horizontal scrolling is idiotic in metro.

    Look at how Unity in Ubuntu was received when it was released. People fled to Linux Mint, where there are options to use the "old style" desktop.

    One thing that was really good with Windows 8, though, was the new Explorer with many enhancements and actually more space (the bottom part is free compared to win 7).

    I just wish there would be a "Windows 8 desktop" version where the users like me who don't have a windows tablet, Xbox 360 or a windows phone could enjoy the other enhancements not letting metro totally destroy the experience!
    I guess 80-90% will still use older windows version even at the end of 2013 if nothing is done about this crap. Things like metro or unity just doesn't work on a normal Pc and aren't well received by users!
  • faizoff - Friday, March 9, 2012 - link

    You might want to try out the Consumer preview since you've tried the metro apps on the Dev preview. They mention in the article about closing out the apps. They aren't that difficult to close now. Though shutting down and restarting the computer is still a chore.
  • PopinFRESH007 - Sunday, April 15, 2012 - link

    Hovering the mouse over the left most 80 pixels to pop out the multi-tasking tray and then click-holding the app and dragging it down is a whole lot more work than clicking a little red x.
  • faizoff - Friday, March 9, 2012 - link

    I'll have to read this thoroughly when I get home. I find myself really liking Metro even on a PC. I don't see myself getting it when it comes out for the PC though. Only way I'm getting it is when Win 8 tablets come out.

    Skimming through the comments, I had mentioned about the restart and shutting down annoyance. I found a shortcut that allows to place a tile on the metro screen thereby clicking only once to shutdown or restart the computer.

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