Download Windows 8 Developer Preview: Install or Upgrade over Windows 7

Windows 8 Developer preview now available for download for free and you can get it here and install in your system. Recently I post about Windows 8 Hands-on Preview which show Windows 8 in tab but you can use it in standard PC instead of on a touch-tablet. Windows 8 brings lots fo performance improvements, especially startup time, and lower memory usage, as well as overall faster operation also