Hi,
If we have shared hosting or VPS hosting then many things are setup already on server using WHM and cPanel.Hosting provider provide technical support as well.
When we setup server at home or office then all required software setup need to be done manually.
This process has learning curve and takes time.
PrestaShop Tutorials Videos [How to do Tasks]
https://www.prestashop.com/forums/topic/907438-prestashop-tutorials-videos-how-to-do-tasks/