If are thinking that Windows latest OS version is Windows 8 then I am really sorry that you are not updated with latest technology news.
Microsoft has recently launched its next generation OS that is also known as ‘Windows 8.1 Preview’ or ‘Windows 8.1 blue’.
Note: – Currently ‘Windows 8.1 Preview’ is in prerelease state and final commercial version will be released soon.
Meanwhile you can download ‘Windows 8.1 Preview’ absolutely from Microsoft site and can use it on your desktop, laptop or tablet.
Download Link – Free Download Windows 8.1 Preview
How to install Windows 8.1 Preview
1- Download ISO file from the above link.
2- Convert ISO file into installation media and stored it on a DVD or flash drive.
How to install Windows 8.1 Preview on Windows 8 OS
1- Download ISO file on your machine.
2- Browse the ISO file and double clicked (or double tap in case of touch device).
3- Double click on setup.exe file (or double tap in case of touch device) and follow the instruction comes on your screen (on installation wizard).
Note: – Once you installed the Windows 8.1 Preview on your system then you won’t be able to uninstall it. To go back to your previous OS you have to reinstall that again. So before installing it keep back-up of your current OS installation CD/DVD/’Flash Drive’.
System Requirement for Windows 8.1 Preview
Processor – 1.0 GHz or above
RAM – 1 GB for 32-bit and 2GB for 64-bit
Hard Disk Space Required – 16 GB (for 32-bit) and 20 GB (for 64-bit)
Graphics card – MicrosoftDirectX 9 with WDDM driver.
For more queries related to Windows 8.1 Preview installation and features you can visit Microsoft Site