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25 people found this helpful
There are a couple of shortcomings....
on February 12, 2013
Using this disk produces a Win-7 system with OEM as the character part of the product ID. Thus if you need support from Microsoft, you can not get it for free. They tell you to contact the computer manufacturer, who would presumably be the OEM (Original Equipment Manufacturer) who installed Windows. You do have the option of paying for Microsoft support or asking questions on the Microsoft Forum (I have found that to be pretty useless).
Also, this disk can not be used as a repair disk. It only has two modes: upgrade and install. "Upgrade" actually re-installs the operating system but supposedly saves your files and settings. Using either option requires registering the installation with Microsoft again, and the papers included with the disk indicate that, except in special circumstances, it can only be used once.