I was wondering if there is a link to download windows 7 Home Premium I need to activate my windows because I don't want to reinstall my recovery disk. And. Windows Vista, a major release of the Microsoft Windows operating system, was available in six different product editions (Starter, Home Basic, Home Premium, Business. Windows 7 (codenamed Vienna, formerly Blackcomb) is a personal computer operating system developed by Microsoft. It is a part of Windows NT family of operating systems. Here's an option to consider: If you already purchased Windows 7 Professional with the assumption of performing a direct upgrade from Windows Vista Home.