It is found along the western side of the mountains of eastmarch.
Skyrim mzulft aedrome locked door.
Or you could hit the tilde key in front of the locked door click on the door and type unlock if the door was targeted in the console it will say unlocked door of course thats just for the pc.
This ruin cannot be explored unless the dragonborn has been sent here by mirabelle ervine to retrieve the staff of magnus as part of the quest revealing the unseen because the key required to unlock the inner door after entering mzulft is found on the body.
Having trouble finding the key.
It is quite a distance southeast of windhelm and a short distance directly north of cragslane cavern.
Mzulft boilery in a master locked room it can be grabbed with telekinesis through the bars without entering the room opens the door to the room it is in and an expert locked door a little further along in the boilery.
Below tags are for google search to combine if someones using a lot of words skyrim locked door skyrim t.
Opens a door leading toward the mzulft oculory from the main section of mzulft aedrome.
Defeat it and the key.
In the mzulft aedrome after paratus decimius opens the door to the oculory he may stand there even after telling him about the focusing crystal and he expects to be followed.
Mzulft is an extensive dwarven ruin south southeast of windhelm along the main road between windhelm and riften.
Access to virtually all of the three zoned main ruin is blocked by a locked door which cannot be picked until you begin the college of winterhold quest revealing the unseen.
It is the location of one of two oculories in skyrim the other is deep underground in blackreach and this feature in particular made it a target of a secret project conducted by the synod.
Go all the way to the end of that path and there will be a boss that depends on your level.