Which four actions should you perform in sequence?

Explanation/Reference:
Note:
* Process overview
We recommend the following installation sequence and key configuration steps to deploy a SharePoint farm that uses an AlwaysOn availability group:
(step 1) Select or create a Windows Server failover cluster.
Install SQL Server 2012 on each cluster node.
(step 3) Create and configure an availability group.
Install and configure SharePoint 2013.
(step 4) Add the SharePoint databases to the availability group.
Test failover for the availability group.
* (step 2) Before you can create an Availability Group for SharePoint Foundation 2013 or SharePoint Server 2013, you must prepare the SQL Server 2012 environment. To prepare the environment, complete the following tasks:
Install the SQL Server prerequisites.
Install SQL Server.
Enable Named Pipes.
Enable AlwaysOn.
Reference: Configure SQL Server 2012 AlwaysOn Availability Groups for SharePoint 2013