Installation testing is check that software application is successfully installed & it is working as expected after installation. This is testing phase prior to end users will firstly interact with the actual application.
Installation testing is also called as “Implementation Testing”. This is most important as well as most interesting step in the Software testing life cycle.
Few points need to check in the prior to Installation testing:
Customer will happy on successful installation of software, Definitely yes. But you think of other way round if it fails to install. Upon failure of installation our software will not work but it might be possible that the data present on customers machine may affect badly. As a result, it makes bad impression on customer. This is due to the incomplete installer testing.