To use the key, you must have it in your active inventory slot. Stand in front of a door with a yellow lock and use the primary interaction button (left mouse button by default) to unlock it. Once a lock is opened, the key typically has no further use and can be discarded to free up inventory space.
The "Gold Key" terminology largely stems from early development phases where its appearance and utility were slightly different. hello neighbor gold key
Hello Neighbor , the item commonly referred to by players as the is officially known as the Yellow Key . It is a cartoonish yellow key with two large outjuts and is primarily used to bypass specific yellow locks across different game acts and alpha builds . Locations Across Acts To use the key, you must have it