The simulator runs on two Windows 10 machines both running a copy of X-Plane 12
There is one Master machine and one Visual machine.

X-PLANE MASTER PC: Hosts the X-Plane flight model, flight controls and connected hardware
Processor:
3.20 gigahertz Intel 12th Gen Core i9-12900K
1.38 megabyte primary memory cache
14 megabyte secondary memory cache
60 megabyte tertiary memory cache
64-bit ready
Multi-core (16 total)
Hyper-threaded (24 total)Main Circuit Board:
Board: ASUSTeK COMPUTER INC. PRIME Z790-V AX Rev 1.xx
Bus Clock: 100 megahertz
UEFI: American Megatrends Inc. 1645 03/15/2024Memory:
31.82 Gigabytes Usable Installed MemoryDisplay:
NVIDIA GeForce GT 1030 [Display adapter]
NVIDIA GeForce GTX 1080 [Display adapter]
Generic PnP Monitor
HP 22er [Monitor] (23.0"vis)
HTR CL03-HDMI [Monitor] (8.4"vis)
Lenovo HDMI-HH [Monitor] 
MSI MP243X [Monitor] (23.8"vis)
MST MStar Demo [Monitor] (52.0"vis, March 2012)
RTK 32V3H-H6A [Monitor] (31.5"vis, March 2007)

X-PLANE VISUAL PC: Hosts all the X-Plane external visuals

Processor:
3.20 gigahertz Intel 12th Gen Core i9-12900K
1.38 megabyte primary memory cache
14 megabyte secondary memory cache
60 megabyte tertiary memory cache
64-bit ready
Multi-core (16 total)
Not hyper-threadedMain Circuit Board:
Board: Gigabyte Technology Co., Ltd. Z690 UD DDR4
Bus Clock: 100 megahertz
UEFI: American Megatrends, LLC. F20 10/26/2022Memory:
31.84 Gigabytes Usable Installed MemoryDisplay:
NVIDIA GeForce GT 1030 [Display adapter]
NVIDIA GeForce RTX 3090 [Display adapter]
Acer ER320HQ [Monitor] (31.5"vis)
Acer ER320HQ [Monitor] (31.5"vis)
HEC 75R6+ [Monitor] (74.9"vis)
LG TV [Monitor] (72.3"vis)

Simulator Hardware:
-Steam gauge panel: Home built by me using 3D printer and rotary encoders, placed into 1/4" birch wood overlaid on a 22" HP monitor. The gauges are powered by Air Manager and Arduino
-Wet compass: Composs by Virtual Fly
-Circuit breaker panel: Home built by me
-The Cessna switch panel and parking brake are from Desktop Pilot
-The fuel select panel are supplied by Desktop Aviator
-The Cessna momentary contact flap switch is from Etsy store: DIYCockpitPanels
-Audio Panel, Com/Nav 1 GTN650, Com/Nav2 GNS430 and G5's are supplied by RealSimGear
-DME and auto pilot provided by Prop Wash Simulations
-Transponder and trim wheel provided by SimTech Ltd.
-Left & Right Yoke Yoko+ by Virtual Fly
-Left & Right Rudder Pedals Ruddo+ by Virtual Fly
-TPM: V3RNIO+ by Virtual Fly
-GA intercom: FSX Dual by Flight Sounds, LTD
-Primer reclaimed from a Cessna 172
-Carb heat and Alt Static are STDP switches
-Seats: Boat seats from Amazon
-Butt Kicker mini per seat
-BKA-130-OE Butt Kicker Amplifier
-Cessna 172 sun visors
-Cessna 172 functional air vents
-Cessna 172 door pull straps

Simulator Software (other):
-Orthophotos via Ortho4XP for scenery
-Sim Shaker for Aviators with the Sim Shaker sound module extension for feeling the flight
-Air Manager to provide the steam gauges, Garmin G5's and Angle of Attack indicator
-Pilot Edge plug-in
-X-Pilot for connecting to VATSIM
-Immersive LCD Pro by Fly-Elise for the screen warping
-VFHub for the flight controls