3 things Microsoft has to prove at its Windows 10 event

When Microsoft unveils the consumer editions of Windows 10 next week, key questions about the OS will be on the table. Will Windows remain relevant? In a world of choices, would you willingly choose Windows 10? And in a business where others make these choices for you, would they choose Windows 10?Its been said that, for people to want Windows 10 more than they did Windows 8, the system needs to return to many of the designs, themes, and functions of Windows 7. Well, theres already one compet