Windows is reportedly considering offering some sort of Windows 9 upgrade deal to XP, Vista and Windows 7 users, with a completely free upgrade option also on the table. Nothing has been confirmed about Windows 9 yet, but ZDNet says that all the major features Microsoft is working on will be packed in Threshold rather than a following Windows 8.1 Update.

Windows 8.1 Update 2 is still due on August 12th, this month’s Patch Tuesday, although the update is not mandatory, and it’s not expected to bring any major changes. The Start menu button, which was supposed to arrive with Update 2, will be included in Windows 9 alongside any other major features Microsoft may have readied for a Windows 8.1 update.

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