This guide will show how to set up a new project in Unreal engine, and how to launch an already-created project
From the start menu
Once Epic games has opened Select Unreal Engine on the left-hand side
a. Select Launch in the Top right hand side
b. Select Library and launch from the Engine version section
Select Games
Select the project template you would like
Edit the project defaults if needed
Name the project
Press Create
The projects should be visible to select,
if not you can browse your computer files to find it
Once selected press open
Once all these steps are done, you can now launch Unreal engine.