Getting SQL Server Express Running

I'm trying to get SQL Server Express running on my home computer that runs Window 7 Professional. So far, I have downloaded and installed SQL Server Express. The Windows Start list shows Microsoft SQL Server 2008 and Microsoft SQL Server 2008 R2. I've seen several references to SQL Server Management Studio Express and am ready to download and install that. The download site says "You must install .NET Framework 2.0 and MSXML 6.0 Parser before you install SSMSE." I already have Visual Studio 2010 Professional installed. Does that satisfy the .NET Framework 2.0 requirement? If not, do I need to download .NET Framework 2.0? Regarding the MSXML Parser, I clicked on MSXML 6.0 Parser and was taken to a site headed "Feature Pack for Microsoft SQL Server 2005 - February 2007." Text there said "... a collection of standalone install packages that provide additional value for SQL Server 2005." My question, then, is should I download and ins ...