I have tried to install a template quickstart pack but it is not show the demo what might have gone wrong? please help

When you say install a template quickstart pack what exactly are you refering too? Are you talking about the joomla sample site data?
(wild guess)

Originally Posted by BigBangDigital

When you say install a template quickstart pack what exactly are you refering too? Are you talking about the joomla sample site data?
(wild guess)

good

You can install a template quick start pack for that first download the desired template quick start form your download section,than Extract the zip package and transfer content to your web server,now set up the data base go to your web server and type the data base name ,create a user for your data base and type site name. There is your fresh installer than click or choose name.