When Microsoft introduces a major new version of Windows, almost everyone who uses computers, whether for work or play, eventually need to understand how it affect them. The paper outlines how Vista impacts engineers and scientists, to help determine whether you should adopt the new technology. It also describes best practices for developing engineering and scientific applications based on Vista. One of the stated goals of the Windows Vista release is to improve the security of the Windows operating system. Instant search provides advanced tools for designing more specific searches. In Windows Vista, there is a new interface for interacting with the operating system .NET Framework 3.0 (formerly known as WinFX). Now based on Microsoft .NET technology this interface was completely redesigned to be easier to use and more consistent across all Windows Vista features.