Microsoft, a Dow stock, is preparing Windows 10 for release on Jul 29, in time for the back-to-school personal-computer season, as the company tries to boost an ailing PC market & revive its own fortunes in mobile devices.  The operating system will be available for PCs & tablets as a free upgrade to people using Windows 7 & Windows 8.1, or on new Windows 10 devices, MSFT said.  Windows 10 for other devices will be available later this year.  The company said in Apr it expects a billion people to be using its Windows 10 operating system in the software’s first 2-3 years on the market, signaling optimism in its push to revive Windows & make it more useful on smaller devices.  Still, market research firm IDC is predicting that PC shipments will drop 6.2% this year as a corp PC purchasing cycle runs out of steam.  Windows 10 has a design that blends some aspects of Windows 8 with the older, more popular Windows 7’s appearance. It adds a new browser called Microsoft Edge, to succeed Internet Explorer.  The update to Windows will also bring the Cortana voice-controlled assistant to PC desktops, & will have touch-enabled Office applications such as Word & Excel built in for smartphones & tablets.  The stock lost pennies.  If you would like to learn more MSFT, click on this link: