Update: Windows 9 is now known as Windows 10. Want to know more about when you can get your hands on it? Check out our in-depth Windows 10 release date page
Information provided by Windows leaker WZOR claims that Microsoft will launch Windows 9 in October this year.
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Windows 8's final curtain?
The new rumour throws into question the authenticity of the GDR1 upgrade for Windows 8.1 (which could have actually been Windows 8.2) if a whole new operating system is just around the corner.
Equally, it signals that Windows 8 isn't working as a platform. With unremarkable sales, the enduring popularity of its predecessors and even its own employees lambasting it, the arrival of Windows 9 later this year will possibly be the death knell for Microsoft's experimental OS.
There are no additional details regarding an October launch apart from the information provided by WZOR, but it is certainly a possibility. Microsoft communications chief Frank Shaw said in January that there was a "a cadence" to the updates, suggesting an October release might not be wholly out of the question.
All of this information should be taken with a pinch of salt, obviously. Speculation and rumour will either be quashed or backed up when Microsoft steps up to the stage at Build in April.
- Update: Is the new OS any good? Read our hands on Windows 10 review to find out