Not confused enough about Windows 7 and its various versions? Good, because Microsoft has recently released the above chart adding even more fuss to the confusion.

As you can see, Microsoft has detailed just about every kind of upgrade you could encouter on October 22nd from Windows XP all the way up to Windows Vista Ultimate. While some versions will allow for a painless upgrade, others will require you to completely wipe your harddrive clean and then install Windows 7.

Annoying? Yes. Confusing? Of course.

via AllThingsDigital

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