Use your OEM product key (on the sticker on the bottom of your laptop) to install and activate Windows 7 from non-OEM install media

  1. Install Windows 7, but choose to skip the product key (for now)
  2. Once Windows has installed and booted:
    1. Click Start
    2. Click Run
    3. Clear the box, type in SLUI 3 and press enter
    4. Enter your OEM product Key
    5. Profit