Expression Studio 4 has a wealth of new features to make it easier than ever to create engaging user experiences for the Web, the desktop, mobile devices, & Silverlight. All of the products now support Silverlight 4 and .NET 4 as well as the following specific new features in each of the products.
Expression Blend 4 New Features include:
Expression Web 4 New Features include
Expression Encoder 4 Pro New features include
Microsoft is offering a free upgrade to users of version of Expression Studio 3 and Expression Web 3. Once version 4 trial versions are available, you can download and install the trial and Expression will find the version 3 license on your hard. Once the version 3 license is found, the version 4 trial will be automatically converted to full product with no expiration. Note that this is true only for customers who have obtained their version 3 products via FPP or ESD.
For customers who have received their version 3 products through Microsoft programs (MSDN, MAPS, Bizspark, Websitespark, etc.), please download the version 4 products from the respective program download sites.