Need To Re-Install Windows 7
Windows 7 Reinstallation (SP1) DVD Support Windows Basic, Home Premium, Professional and Ultimate Installations.
This DVD allows you to Re-Install the Windows 7 Operating System (with Service Pack 1) to Restore your computer's Operating System back to how it was when it was new. This Re-Install DVD will allow you to restore your machine to its original factory settings. Also, it will allow you to reinstall Windows on a new hard drive. Please Note (Read): You must have an original product key that came with your computer. This Re-Install DVD do not come with a Windows Product Key.
You will need your Microsoft Product Key (license number) that came with your computer. The Windows Product Key is a 25 digit code and can be found on the bottom of your laptop (sometimes under the battery) or on the side (sometimes back) of your desktop / tower pc.
PLEASE BE AWARE: IF YOU DO NOT HAVE A GENUINE LICENSE / PRODUCT KEY STICKER THAT CAME WITH YOUR PC - YOU CANNOT USE THIS DVD TO INSTALL RE-INSTALL WINDOWS 7 OPERATING SYSTEM **