The SQL Server 2014 Express release includes the full version of SQL Server 2014 Management Studio. For a complete list of supported features in SQL Server Management Studio...

There are multiple editions of SQL Server 2014 (Enterprise Edition, Enterprise Core Edition, Business Intelligence Edition, Standard Edition, Web Edition, Express and Developer Edition).

Wiki > TechNet Articles > SQL Server 2014 Step by Step: Installation. Typically, you should choose a SQL Server collation that supports most languages commonly used by users at your organization.

Here's the release history for Microsoft SQL Server 2014. Each update is linked to its Microsoft knowledge base article with the download and the list of hotfixes included.

Learn how to use SQL Server 2014 with this free SQL Server tutorial. You can download SQL Server 2014 Express with Tools from the Microsoft website (we'll get to that in a minute).

This is a list of the builds for SQL Server 2014. There are other build lists available here. A list of all the builds that I can find and install on my Build VM.