How do I say "How did you get into your apartment?" in Spanish.
¿Cómo entraste a tu apartamento? o ¿Cómo entraste en tu apartamento?

Which is the most natural way to say in Castillan Spanish...
How did you get into your apartment?

Question

How do I say "How did you get into your apartment?" in Spanish.
¿Cómo entraste a tu apartamento? o ¿Cómo entraste en tu apartamento?

Which is the most natural way to say in Castillan Spanish...
How did you get into your apartment?

Answer

I would say: Cómo entraste en el piso?  In Spain is more common: entrar EN.

Answer

¿Cómo entraste a tu apartamento? is more natural, like a simple conversation.

Answer

The first one sounds more natural to me :)