an issue on different Microsoft SQL-related softwares
I am planning to learn Microsoft SQL server, and try to download the SQL software. However, I found a list of SQL-related softwares under the download banner.

> Microsoft SQL Server 2012 Business Intelligence 32/64-bit (English) – DreamSpark

> Microsoft SQL Server 2012 Developer 32/64-bit (English) - DreamSpark 

>  Microsoft SQL Server 2012 Enterprise 32/64-bit (English) - DreamSpark 

>  Microsoft SQL Server 2012 Enterprise Core Edition 32/64-bit (English) - DreamSpark 

>  Microsoft SQL Server 2012 Express 32/64-bit WoW (English) - DreamSpark 

>  Microsoft SQL Server 2012 Express 64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Express Management Studio 64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Express with Advanced Services 64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Express with Tools 64-bit (English) – DreamSpark

> Microsoft SQL Server 2012 SQLLocalDB 64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Standard 32/64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Web 32/64-bit (English) - DreamSpark

I am totally lost about the difference among these different packages, and which one/ones should I download? Thanks.
an issue on different Microsoft SQL-related softwares
===

I am planning to learn Microsoft SQL server, and try to download the SQL software. However, I found a list of SQL-related softwares under the download banner.

> Microsoft SQL Server 2012 Business Intelligence 32/64-bit (English) – DreamSpark

> Microsoft SQL Server 2012 Developer 32/64-bit (English) - DreamSpark 

>  Microsoft SQL Server 2012 Enterprise 32/64-bit (English) - DreamSpark 

>  Microsoft SQL Server 2012 Enterprise Core Edition 32/64-bit (English) - DreamSpark 

>  Microsoft SQL Server 2012 Express 32/64-bit WoW (English) - DreamSpark 

>  Microsoft SQL Server 2012 Express 64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Express Management Studio 64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Express with Advanced Services 64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Express with Tools 64-bit (English) – DreamSpark

> Microsoft SQL Server 2012 SQLLocalDB 64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Standard 32/64-bit (English) - DreamSpark 

> Microsoft SQL Server 2012 Web 32/64-bit (English) - DreamSpark

I am totally lost about the difference among these different packages, and which one/ones should I download? Thanks.