I seen a lot of ue4 tutorials in youtube that never really used fps game mode instead they used the tps game mode and change the camera to fps like is this one of many ways to make fps game? cause when i go to project settings in tps the only choice of gamemode is tps
It’s certainly possible to move between first and third person and should be fairly easy to set up in blueprint. I don’t think the third person template has this functionality out of the box. There’s no hard and fast rule about which is better, all depends on what you want to accomplish.
It’s pretty easy to change that -> 
When you want a fps project, you will have to choose it in the project creation browser.
i will check it out