Net Framework V4.0 -

One of the most marketed features of v4.0 was the focus on multi-core processing.

The .NET Framework 4.0 was a major release by Microsoft, made available on April 12, 2010. It represented a significant evolution from version 3.5, introducing a new Common Language Runtime (CLR) engine, enhanced parallel computing capabilities, and a vast array of new libraries designed to improve developer productivity and application performance. net framework v4.0