Windows Vista was released by Microsoft in January 2007 as an operating system for personal and business PCs, but it failed due to slow performance from its large code size and incompatibility with many existing hardware and software, which caused user dissatisfaction and 16% revenue loss for Microsoft as users demanded refunds.

1. Failure of Windows Vista
Windows vista is an operating system
developed by Microsoft for personal
and business PCs. It was released
worldwide on January 30, 2007

2. Reasons to fail
• Slow performance
Having many upgraded features with over 50 million
lines of code. Windows XP had 35 million lines of
code when it was released.
• Hardware and Software incompatibility
Since many important programs and peripherals
were unusable in Vista, that made it impossible for
a lot of IT departments to adopt it.

3. How failure Affected
• Every user that upgraded from windows XP to
windows vista demand money back due to
unsatisfactory results, causing 16% revenue
lost for Microsoft corporation.
• Users reported many system performance
issues and frequent hardware software
clashes

4. Conclusion
• Considering above facts, Microsoft
corporation has forgot or disregarded to do a
feasibility study of the Windows Vista before
releasing it.