As far you know that Windows 7 build 7048 64 bit version is leaked on internet and easily available on Green Demon and Bay of Pirates. The noticeable change in build 7048 is it’s RC1 release, You can disable IE8 Beta, Paint – Calculator – Sticky Notes icon changed, 24-39% more icons available on taskbar before scrolling and Start button changed. New Wallpapers are also added. Here you can take a look and download complete set of Wallpapers available with build 7048. This wallpaper pack contains wallpapers of all five zones (Australia, Canada, United Kingdom, United States & South Africa).