This is a batch script for activating Windows 7 using an OEM certificate. For computers that come with a Windows 8/10 sticker but have downgrade rights to Windows 7 this allows you activate it after doing a clean install of Windows 7. You can also use it
Windows Loader is a program developed by Daz crew to programmatically activate most of the Microsoft products such as Windows 7, Windows 8/8.1, Office 2010, Office 2013 and Office 365 for free of cost.