if you gonna ask how, those are my actions:
to avoid getting killed by freddy I close the right door and check on foxy, I repeat those actions like every 2-3 seconds. Unless I am attacked by Chica or/and Bonnie.
Also yea night 7, 4/20.
Edit: game version V: DE1.1.0
PC stats:
Processor Intel(R) Core(TM) i3-6006U CPU @ 2.00GHz 2.00 GHz
Installed RAM 8,00 GB (7,87 GB usable)
System type 64-bit operating system, x64-based processor
(no idea if it will help but why not)