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,
Criticism of Windows Vista SPP's predecessor, and given at least one temporary validation server outage which reportedly flagged many legitimate copies of Vista and XP as "Non-Genuine" when Windows Update would "check in" and fail the "validation" challenge. Microsoft altered SPP significantly in Windows Vista Service Pack 1. Instead of the reduced-functionality mode, installations of Vista left unactivated for 30 days present users with a nag screen which prompts them to activate the operating system when they log in, change the desktop to a solid black colour every hour, and periodically use notification balloons to warn users about software counterfeiting. In addition, updates classified