Microsoft has made available a beta version of its latest Windows software . Windows 8 upgrade marks the company 's long - awaited move into tablets . Analyst says release of Windows 7 means there ' n't be stampede to upgrade .
Microsoft has made available a preview version of its latest Windows software . Windows 8 upgrade marks computing giant 's long-awaited move into tablets . Analyst says success of Windows 7 means there wo n't be stampede to upgrade .