Windows Vista Business. Windows Vista Business is the operating system designed for organizations of all sizes. For small businesses, Windows Vista Business will help keep PCs running smoothly and more securely so they are less reliant on dedicated IT support. For larger organizations, Windows Vista Business will provide dramatic new infrastructure improvements that will enable IT staff to spend less time focused on day-to-day maintenance of PCs and more time on adding strategic value to the organization. These are some of the specific features of Windows Vista Business: