Repair of windows on VAG. How to disassemble the door on VW SKODA AUDI SEAT Ibiza 3 (6L)

Why the power window may not work, how the mechanism itself works. Motor, traction, repair kit, adaptation, etc.
On the example of SEAT Ibiza 3rd generation. How to disassemble and assemble the driver's door, etc.
Window regulator article from Art. driver: 6L4837755AA
right: 6L4837756Q
Without engine left 6L4837461
right 6L4837462
Motor left: 6L2959802A
right: 6L2959801