Windows 9 will be free for Windows 8 users, even if that isn't what Microsoft winds up calling it, Indonesian news site Detik.com reports.
Andreas Diantoro, president of Microsoft Indonesia, confirmed that the upgrade to Windows 8 will be priced like all iOS, Android and OS X updates: free. But it's not clear whether users of older Windows operating systems will have to pay for the new upgrade.
No release date has been set for the next version of Windows, but Microsoft has scheduled a media event for Tuesday.
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