Help with building issue

Unity Engine
1

I am new to unity and i got some buildings but when i place the buildings into the scene and enter the game i just walk right through them. Im sorry if this is a stupid question but i need to know how to be able to make it so i dont just pass right through the buildings. It also happens with walls and bridges. Does it have something to do with colliders?

Thanks

2

Yes, you need to add colliders to your meshes that needs physics interactions. This includes having player systems that need to be able to walk on top of floors, not go through walls, take damage from projectiles, etc.
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