The key to the small staircase on the second floor in "Silent Hill 2: Remastered (SILENT HILL 2)" is necessary to clear the forest edge apartment. If you want to get this key, you can first open the safe in 206 and get the steel Make a key, then use the key to open the door to 205 to get the key to the small staircase on the 2nd floor.
Where to get the key to the small staircase on the 22nd floor of Silent Hill
First go to room 206 to open the safe and get the steel key, then use this key to open the door and leave the room. Go to room 205 to get the key item: the key to the small staircase on the 2nd floor.