Microsoft has not unveiled a Windows 8 upgrade program, but recent rumors have pegged an announcement to the first week of June, when the company also will debut Windows 8 Release Preview, the OS's final public milestone.
Earlier this week, Windows blogger Paul Thurrott, citing unnamed sources, claimed that Microsoft would charge users $14.99 for the upgrade to Windows 8 Pro if they purchased a Windows 7 PC between the launch of the program and January 2013.
Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld. Follow Gregg on Twitter at @gkeizer, on Google+ or subscribe to Gregg's RSS feed. His email address is email@example.com.
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