You need to purchase a product key or you can install without one for a 30 day trial.If you have a system which came with Windows 7 Home Premium OEM preinstalled e.g. For OEM Licenses one may skip the product key during installation to begin a 30 day trial and apply their manufacturers OEM SLP post installation to activate Windows 7. Contents.Windows 7 SP1 – Retail and Commercial OEM Download LinksFor Dell Systems updated are recommended.The Windows 7 November 2011.isos from Microsoft are unbranded and can be used with any Windows 7 OEM or Retail License. Extended Support lasts until January 2020. For more details see.Your Windows 7 OEM or Retail License is eligible for a Free Upgrade to Windows 10 for more details see.
Written Guide January 2020Windows 7 Reached End of Mainstream Support in January 2015.
