download sql server

Microsoft SQL Server Express (Free edition)

Download the Express Edition of Microsoft SQL Server 2005 onwards. SQL Express is a free edition. SQL Server Express is a powerful and reliable data management product that delivers rich features, data protection, and performance for embedded application clients, light Web applications, and local data stores.

SQL server 2008 Express + Management Studio
Microsoft .NET Framework 3.5

Configuring your server for external access

Spinso products comes with the option where you can store data on your server and also have access to your data from any location via internet. To configure the same, you would need to have a static IP (you can check this with your ISP)