(Reuters) - Microsoft Corp is making its biggest push into the heavily pirated Chinese consumer computing market this summer by offering free upgrades to Windows 10 to all Windows users, regardless of whether they are running genuine copies of the software.

The move is an unprecedented attempt by Microsoft to get legitimate versions of its software onto machines of the hundreds of millions of Windows users in China. Recent studies show that three-quarters of all PC software is not properly licensed there.

Read more: http://www.reuters.com/article/2015/03/18/us-microsoft-china-idUSKBN0ME06A20150318