Installing Microsoft SQL Server 2008 r2
How to Install SQL Server 2008 r2? Step by Step Guide.
Get Setup from Market, or Download from the following link:
https://www.microsoft.com/en-pk/downl...
This Video Shows installation of Full Version, in Express Edition there may be some less steps.
Given information may be followed same for other versions of SQL like 2012, 2014, 2016 etc