*Offer valid June 2, 2012 though January 31, 2013. For complete details, visit http://windowsupgradeoffer.com
To ensure complete satisfaction with your upgrade, please review the program information on the site prior to purchasing your system. You may also visit the site to learn about updates or changes as they become available. Note that some Windows 8 features may not be available on all Windows 7 systems and may require a BIOS upgrade, additional hardware, software, drivers and/or firmware to install and run Windows 8. PCs with Windows 7 Starter Edition are not eligible for this Windows 8 upgrade offer.