Take context from the input text and decide on the accurate relationship between 'Share' and 'Windows' from the options provided.
Options: platform, parent organization, industry, chief executive officer

The failure of Windows 8 to capture the public's imagination has left the Windows community deeply fractured, with 67 per cent of Windows users still using Windows 7, 13 per cent still using Windows XP and only 14 per cent using Windows 8, according to figures from Net Market Share , making it harder for businesses to support.
platform