use of lubricant. You can use regular or silicone lubricant;
Check the condition of the hinges. Sometimes they can shift due to wear. If necessary, tighten the screws. In extreme cases, the hinges will have to be completely replaced;
Adjusting the hinges. In some cases, it is enough to do the adjustment yourself. Of course, the process can be called complicated, but anyone can handle it.
It is also worth eliminating high humidity, which can be the main reason for the creaking. If you cannot cope with this problem on your own, it makes sense to contact specialists.