Windows 8 Developer preview now available for download for free and you can get it here and install in your system. Windows 8 brings lots to performance improvements, especially startup time, and lower memory usage,as well as overall faster operation also you can run Windows 8 on anycomputer that could run Windows 7. Windows 8 Developer Preview is now available for download now and also tools for developer.
system Requirements:
Windows Developer Preview works great on the same hardware that powers Windows Vista and Windows 7: -1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor -1 gigabyte (G RAM (32-bit) or 2GB RAM (64-bit) -16 GB available hard disk space (32-bit) or 20 GB (64-bit) -DirectX 9 graphics device with WDDM 1.0 or higher driver -Taking advantage of touch input requires a screen that supports multi- touch -To run Metro style Apps, you need a screen resolution of 1024 X 768 or greater DOWNLOAD
