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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  • skanskan - Wednesday, March 14, 2012 - link

    The task manager should also include a GPU resource monitor.
    It's been a long time since GPUs were introduced and we still need third party tools.
  • Oravendi - Wednesday, March 14, 2012 - link

    Linux has allowed for different GUI managers for a long time. Why would Microsoft not offer Metro as a desktop option? Metro is probably better for tablets and cell phones, however if Microsoft were to produce software with the ability to turn Metro off then Metro might have slow or no adoption. Microsoft sees the money. It doesn't want the problems of software like Linux. Answer, force us to Metro and claim the old windows users don't want to change.
  • Origin32 - Wednesday, March 14, 2012 - link

    The problem I have with Metro is not that it's different.
    It's that its different while not adding anything for me as a desktop user. Yes, I'm sure this new interface is much easier to navigate on a tablet, but with M/K I have to click more rather than less to open the more advanced menus, I have to use two user interfaces simultaneously and I have to start to unlearn 10 years of keyboard shortcuts, options locations and all the kinds of things you do automatically in win7. Using Windows 8 will be a whole lot of effort for me, and Microsoft isn't really giving me anything in return for that effort. If they'd added something actually useful like support for multiple user logons on a SAMBA share in one session, a sandbox mode to try out new programs in or really any functionality at all, then I'd have to live with Metro.

    Now all I get is a new GUI I sure didn't ask for.
  • jabber - Wednesday, March 14, 2012 - link

    This is it for me too. I just don't get what it is they are trying to sell me here with regards to Metro.

    I don't get it MS, Sorry.

    I've always upgraded my Windows versions due to improvements in performance, load times, functionality with new hardware and tech standards. Sure there are always a few UI changes but nothing that needs 5 minutes to get used to and on the whole they have been positive.

    But with Metro there just isn't enough in the deal to make me want to bother using it.

    I can get by fine without it. It isn't essential for those of us using desktops/laptops.
  • perpetualdark - Thursday, March 15, 2012 - link

    Quite simply, the home market and the professional market are no longer driven off of each other, and need to diverge. In the past, the professional market drove the PC industry, and the OS was a reflection of that.

    Home use has grown to be a viable entity on it's own however, and the proof of that is Apple's success in the PC market. People at home want a computer that is media based, and focused around entertainment. Movies, Music, Social Media, and Home Integration are the keys there. They want their media, and they want it everywhere (at the computer, the tv, the laptop, the phone, in bed, in the bathroom, and in the kitchen). They want to be connected to their social media all the time, and have everything integrated into that.

    Businesses don't need any of it, and it is all counterproductive to business. If anything, they want everything listed above to be GONE from the picture. Remove the games, the media, and the social aspects. Sharing needs to be tightly controlled, and the "cloud" is a fancy way of saying "security risk". Your boss doesn't want you listening to music, sharing it with others, or getting on facebook or skype to socialize, he wants you productive. Secure sharing of files, remote application use, tying together the office and the mobile workspace, communicating within the company and with the customers, and productive applications. It requires a COMPLETELY different interface because it has a completely different workflow.

    Windows 8 is, on the surface anyway, a HOME version of the software. It is MS's attempt to slow Apple down on the home front. But aside from desktop publishing and education, Apple is not even in the business place, and although I couldn't give you numbers, I am willing to bet that the business market is still at least half of the revenues that MS sees in a year.

    One more note: Look at Office. Millions of people knew all the ins and outs of Excel and Word, and then MS goes and changes the interface 100%. With NO way of going back. I resisted until recently, and after almost a year on office 2010, I hate it to this day. The ribbons suck, I can never find the things I am looking for, and they don't even have a basic paste function, they made it more complicated. Yeah, I can ctrl-v, but sometimes I want to right click and paste, not right click and hunt for the paste icon I am looking for. I hate icons. I want words. I speak english. If I want to paste special and choose to paste values, I want to right click, paste special, values, ok. I don't want right click and look for the icon that represents pasting values. I am literate, give me words, not icons that represent words. It is a disaster, and as a result, most companies still have Windows XP and Office 2003 installed. If it werent for so many viruses and malware targeting the weak security of XP, I would still have all my machines running on XP. I still run programs like Live Messenger in Vista mode so the icon goes in the tray and not on the bar. I don't understand why MS wants me to change so bad.. I don't want to change, I am more efficient the way I use it, so bugger off and leave me alone! I want my "up directory" button back, and I want the window button in excel back, so when I have 250 spreadsheets open (or even 2), I can switch without having to go to the right hand monitor and click on the excel icon and choose the window from there.. I just want to do it in excel. Come on, quit changing stuff just for the sake of changing..
  • shin0bi272 - Friday, March 16, 2012 - link

    no... just no. Stop talking about stuff you know very little about. It just makes you look bad.
  • Valahano - Friday, March 16, 2012 - link

    Care to elaborate?
  • slickr - Thursday, March 15, 2012 - link

    Good job Andrew. After years of reading this website you with this obvious piece of propaganda have forced me from this moment on to stop visiting this website.

    This shameless advertising for this Microsoft crap of a operating system that they call windows 8 is sickening. How much did they pay you?

    You people make me sick, at least be honest about it and write that you have been paid to write about their product in a positive way, I guarantee you people won't be too judgmental and will accept the fact that this website with its obvious bias for some time now has been loosing all its visitors and is forced to write propaganda articles for money!
  • Shinya - Thursday, March 15, 2012 - link

    So basically because he likes something that you don't (even though he heavily criticized it) your limited brain capacity calculated that he was paid?

    Please stick with apple products iTard. Your lord n savior is waiting over at engadget.
  • shin0bi272 - Friday, March 16, 2012 - link

    actually no hes right... if you look at what MS did with win8 its designed for tablets and they are violently forcing pc users to adapt the same gui that will be basically worthless to us and what does the author of this article say?

    "Yes, Metro is very different from what came before, and yes, Metro was clearly designed with touch in mind, but once you learn its tricks (and especially once you’ve got the new keyboard shortcuts dedicated to memory) it acquits itself as a flexible and powerful user interface."

    Sucking up much?

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