this seems inconsistant with what is written on the microsoft store. someone is desyncronized.
*Important Pre-order Details •Make sure your PC is compatible with Windows 7. Download and run the Windows 7 Upgrade Advisor. •Windows 7 will be available starting on Oct. 22, 2009. •Your card will not be charged until your order is shipped or the product is made available for download. •See the Pre-Orders section for additional details. Running Windows Vista? If you have Windows Vista, you can purchase Windows 7 Upgrade versions. You can do a clean install (back up your files, clean install, and reinstall your applications) or an in -place upgrade (Windows 7 installs over Windows Vista). Running Earlier Versions? If you have Windows XP or Windows 2000, you can purchase Windows 7 Upgrade versions. But you must back up your files, clean install, and reinstall your applications.
Despite the obvious lack of security of a clear text serial number, which can be solved by simply using any of the proven encryption standards. I think one very simple flaw exists in this design, how do you enter your home during a power outage?
if you include a battery, how do you enter the home during a power outage and the battery ran out or malfunctioned?
if you include a solar panel, how do you enter the home during a power outage and the battery ran out or malfunctioned on a cloudy day?
All in all you will always come back to the fact that you would need to carry both a key and a usb drive at all times. Whats the point?
Also this system provides no improvement over a standard key, actually it is a worse solution since a steel key is virtually indestructible by man.
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*Important Pre-order Details
•Make sure your PC is compatible with Windows 7. Download and run the Windows 7 Upgrade Advisor. •Windows 7 will be available starting on Oct. 22, 2009. •Your card will not be charged until your order is shipped or the product is made available for download. •See the Pre-Orders section for additional details. Running Windows Vista?
If you have Windows Vista, you can purchase Windows 7 Upgrade versions. You can do a clean install (back up your files, clean install, and reinstall your applications) or an in -place upgrade (Windows 7 installs over Windows Vista).
Running Earlier Versions?
If you have Windows XP or Windows 2000, you can purchase Windows 7 Upgrade versions. But you must back up your files, clean install, and reinstall your applications.
http://store.microsoft.com/microsoft/Windows-7-Home-Premium-Upgrade/product/B0F9E641