The long awaited windows 8 is out. Microsoft have provided a free downloadable preview of their newest operating system. You can download the preview on this link. It is quite large. (2.5GB for 32 bit and 3.3 GB for 64 bit.)
This are the required specifications before download.
  • 1 GHz or faster processor
  • 1 GB RAM (32-bit) or 2 GB 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
  • 1024 x 768 minimum screen resolution