has my 64bit os not been using all my RAM??

Computer Type: PC/Desktop
System Manufacturer/Model Number: Sygnus21
OS: Win 11 Pro (x64) 22H2
CPU: Intel i9-9900K
Motherboard: Gigabyte Aorus Z390 Xtreme
Memory: 32G (4x8) DDR4 Corsair RGB Dominator Platinum (3600Mhz)
Graphics Card: Radeon VII
Sound Card: Onboard (ESS Sabre HiFi using Realtek drivers)
Monitor(s) Displays: NEC PA242w (24 inch)
Screen Resolution: 1920 x 1200
Keyboard: Logitech Craft
Mouse: Logitech MX Master 2S
PSU: EVGA Super Nova I000 P2 (1000 watt)
Case: Cooler Master H500M
Cooling: Corsair H115i RGB Platinum
Hard Drives: 5 Samsung SSD drives: 1x 512gig 970 Pro NVME drive (OS) 1x 1TB 970 Pro NVME (Photos), 1x 2TB 850 EVO (backups), 1x 1TB 860 EVO (music), and 1x 2TB 850 EVO (Games).
Internet Speed: 100mb
Browser: Edge
Antivirus: Defender
Other Info: B-Die RAM. 3600MHz C16 @16-18-18-36-2T

View my PC Album

Computer Type: PC/Desktop
System Manufacturer/Model Number: Sygnus21
OS: Win 10 Pro
CPU: Intel i7-7700K
Motherboard: GA-Z270X-GAMING 8
Memory: 32G (4x8) DDR4 Corsair Dominator Platinum (3333Mhz)
Graphics Card: Radeon R9 Fury
Sound Card: Onboard (Creative Sound Blaster certified ZxRi)
Monitor(s) Displays: Dell U2415 (24 inch)
Screen Resolution: 1920 x 1200
Keyboard: Logitech MK710
Mouse: Logitech MX Master
PSU: EVGA Super Nova 1000 G2 (1000 watt)
Case: Phantek Enthoo Luxe
Cooling: Corsair H100i
Hard Drives: 3 Samsung SSD drives: 1x 512gig 950 NVMe drive (OS drive), 1 x 512gig 850 Pro, 1x 256gig 840 Pro.
Internet Speed: 100MB download/10MB upload
Browser: Microsoft Edge
Antivirus: Defender
Other Info: This is my backup system.

View my 2nd PC Album