Windows Vista Premium editions of Windows 7. Windows Vista Windows Vista is an operating system that was produced by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs. Development was completed on November 8, 2006, and over the following three months, it was released in stages to computer hardware and software manufacturers, business customers and retail channels. On January 30, 2007, it was released worldwide and was made available for purchase and download from the Windows Marketplace. The release of Windows Vista came more than five years after the introduction of its predecessor,
Windows Vista the table. The maximum number of logical processors in a PC that Windows Vista supports is: 32 for 32-bit; 64 for 64-bit. The maximum number of physical processors in a PC that Windows Vista supports is: 2 for Business, Enterprise, and Ultimate, and 1 for Starter, Home Basic, and Home Premium. Microsoft occasionally releases updates such as service packs for its Windows operating systems to fix bugs, improve performance and add new features. Windows Vista Service Pack 1 (SP1) was released on February 4, 2008, alongside Windows Server 2008 to OEM partners, after a five-month beta test period. The initial