Get Ready for Windows 10

Scheduled to be released in 2015, Windows 10 will be the next version of the Microsoft Windows operating system.

In Windows 10, Microsoft has tried to strike a balance for every kind of user. 

Visit http://windows.microsoft.com/en-us/windows/preview-iso to download the Windows 10 Tech Preview. Must read and follow the instructions carefully before installing it on a computer. 
You can even join Microsoft in its Windows Insider Program, review the features of Windows 10 and give your ideas for improvement etc.