Information about Windows 7 is preliminary and subject to change. Some product features of Windows 7, such as the ability to watch and record live TV or navigation through the use of "touch," may require advanced or additional hardware. The features and functionality you find in the pre-release product may not appear in the final version of Windows 7. If we change the software before it's released, we'll change this information accordingly. We're not making express or implied warranties with this information.

Windows Media Center DVR functionality might require additional hardware and is not available in all countries.

Windows XP Mode requires either OEM pre-installation or post-purchase installation of Windows XP Mode (which runs on Windows 7 Professional or Ultimate) and a virtualization technology such as Windows Virtual PC. You can download both Windows XP Mode and Windows Virtual PC.

E editions of Windows 7 do not include Internet Explorer. We recommend that you get an Internet browser from Microsoft or another software manufacturer and have it available on a CD/DVD or other media so you can install it after you install Windows 7.

N editions of Windows 7 do not include Internet Explorer or Windows Media Player and related technologies, such as Windows Media Center. We recommend that you get an Internet browser and media player from Microsoft or another software manufacturer in order to browse Internet websites, play or create audio CDs, media files and video DVDs, organize content in a media library, create playlists, convert audio CDs to media files, view artist and title information of media files, view album art of music files, transfer music to personal music players, or record and playback TV broadcasts. You will need to have the Internet browser available on a CD/DVD or other media so you can install it after you install Windows 7.

KN editions of Windows 7 do not include Windows Media Player and related technologies, such as Windows Media Center. We recommend that you get a media player from Microsoft or another software manufacturer in order to play or create audio CDs, media files and video DVDs, organize content in a media library, create playlists, convert audio CDs to media files, view artist and title information of media files, view album art of music files, transfer music to personal music players, or record and playback TV broadcasts.

K editions of Windows 7 include links to a Media Player Center website and a Messenger Center website, which has links to third-party sites to enable consumers to download and install third-party media players and instant messaging software. The third-party sites are not under the control of Microsoft, and Microsoft is not responsible for the software or content of any third-party sites, any links contained in third-party sites, or any changes or updates to the third-party software or sites. The inclusion of any link on the Media Player Center website or Messenger Center website does not imply an endorsement by Microsoft of the third-party software, the site, or its contents.