The first thing you should do is buy all of the upgrades. They double the speed you complete tasks at, AND they are quieter. which lets you hear the vent animatronics.

Next thing you should do is put the audio at either of the middle rooms, using the brief view you get of the animatronics after doing so to choose which of the two you play the audio in for the rest of the night.
Play the audio where most of the animatronics are, Start any task and LOOK TO THE OPPOSITE SIDE of where you put the audio lure.
Most of the time, The animatronics will go to the lure while you are looking at the side without one. And as long as you look at that side, nobody from THAT side can attack you.

BUT, you still have to listen close to make sure there isn't anything in front of you when you look away to do another task, or if there is an animatronic behind you that is ignoring the lure.

If you feel unsafe, turn off both the Fan and the PC, and look back and forth every few seconds (depending on who is closer) until you hear them move back and feel safe enough to turn the PC back on to play the audio lure again. ONLY THEN do you turn the Fan back on, start a task, and look in the other direction.

Repeat until you win. YIPPEE!

The previous strategy uses ONLY the audio lure, but there are 2 other tools you can use. the Motion Sensor and Silent ventilation.

I think these other tools are useless if you know how to use the audio lure. Playing the audio lure for the first time lets you SEE where the animatronics are in the area you put it in, and the animatronics are often grouped together on one side anyway, so it is not necessary to wait and watch the motion detector instead of trying to lure the animatronics somewhere safe.

I'm not sure about the silent ventilation, but if someone is next to you and is ignoring the lure it's best to just turn the pc off and get rid of ALL the noise. (The PC is what attracts animatronics the most.)

Next is VERY IMPORTANT, and it's about the characters themselves.
Once per night, each character has the ability to teleport to your side from the very top room, one teleport for each character (Except lefty for some reason..)
This only EMPHASIZES the need to listen closely at all times, since at any moment a character can move to the top and then appear right beside you, especially on Saturday since they have a chance to move every 2 seconds.

I think this strategy works well, but it is still very luck based. whether they even follow the lure or not is based on a 50/50 chance every time they move. So with this in mind, I encourage you to take the knowledge from this strategy and make your own!

Buy all of the upgrades, Place an audio lure in either of the middle rooms depending on which has more characters and stare at the vent opposite to the audio lure while doing your tasks.

Listen closely for movement while doing so, and if the characters ignore the audio then turn off your PC and Fan.

Look back and forth at the two vents until it is safe to turn everything back on and get back in the loop until you win.

Be careful, as the game is still very luck based and each character can teleport to your side once per night after entering the top room.

Thank you for reading! Please leave a comment if there are any mistakes i made while writing this! I sincerely hope this guide helps you!