Microsoft has announced that Windows 10 operating system will be released this summer in 190 countries and 111 languages. The exact date has not been announced yet. Windows chief Terry Myerson says, "We continue to make great development progress and shared today that Windows 10 will be available this summer in 190 countries and 111 languages.” Windows 10 will be a free upgrade for existing Windows 7 and Windows 8 users and that offer will start pouring in from this summer only. Microsoft is partnering with Lenovo and Tencent and Windows 10 will be released in China too. Lenovo will have Windows 10 upgrade services at 2,500 service centers and some retail stores in China. Tencent will also offer an upgrade pack with a variety of popular apps including QQ. By releasing Windows 10 in China, Microsoft will combat software piracy like issues in the region. Microsoft is offering Windows 10 upgrade even to those customers who are using the pirated versions of Windows. W...