Which key do I enter after upgrade?

Computer Type: PC/Desktop
System Manufacturer/Model Number: Skylake Special Z170
OS: Windows 10 Pro
CPU: Intel Core i7 6700K
Motherboard: Asus Sabertooth Z170 Mark 1
Memory: GSkill Trident Z RGB 16GB 3600 16-16-16-36 (F4-3600C16D-16GTZR)
Graphics Card: EVGA GTX 980 Ti SC x2, EVGA Pro SLI Bridge
Sound Card: Realtek High Definition
Monitor(s) Displays: AOC G2460PG
Screen Resolution: 1920 x 1080 144Hz
Keyboard: Logitech G910 Orion Spectrum
Mouse: Logitech G500s
PSU: EVGA 1000 P2, EVGA White Custom Braided Cables
Case: Corsair Vengeance C70 Gunmetal Black
Cooling: Corsair H100i v2, Corsair ML120 x2, Thermal Grizzly Kryonaut
Hard Drives: Samsung 870 Evo 500GB, Seagate Barracuda 4TB x2
Internet Speed: Verizon Fios Quantum Gateway 75/75
Antivirus: Windows Defender, Malwarebytes 4.5.2
Other Info: Corsair SP120 x4, LG Blu-ray Drive, Durabrand HT-395 100 Watt Dolby Digital Amp

Computer Type: PC/Desktop
System Manufacturer/Model Number: Skylake Special X299
OS: Windows 11 Pro
CPU: Intel Core i9 9900X
Motherboard: Asus ROG Strix X299-E Gaming II
Memory: GSkill Trident Z RGB 32GB 3600 16-16-16-36 (F4-3600C16Q-32GTZR)
Graphics Card: EVGA RTX 3080 12GB FTW3 Ultra Gaming (12G- P5-4877-KL)
Sound Card: Supreme FX
Monitor(s) Displays: Asus PG279Q
Screen Resolution: 2560 x 1440 165Hz
Keyboard: Logitech G910 Orion Spark
Mouse: Logitech G700s, Asus ROG GX860 Buzzard
PSU: EVGA 1200 P2, EVGA Black Custom Braided Cables
Case: Thermaltake View 31 Tempered Glass Limited Edition
Cooling: Corsair H115i, Thermal Grizzly Kryonaut
Hard Drives: Samsung 980 Pro 500GB x2, Seagate Barracuda 4TB x2, Western Digital Black 4TB x1
Antivirus: Windows Defender, Malwarebytes 4.5.2
Other Info: Thermaltake Riing Duo 14 x3, Thermaltake Riing Plus 14 x2, Corsair HS70 Pro Wireless Headset

Computer Type: PC/Desktop
System Manufacturer/Model Number: Dell XPS 8100, 8300,8700, 8900, 8930
OS: Windows 10
CPU: 3.0-4.6
Memory: all computers have 32 Gigs of RAM
Graphics Card: different one, now on main computer Nvidia Geforce GTX 1060 with 6 GB of RAM
Monitor(s) Displays: 4 of them, different sizes
Screen Resolution: 1920-1080p with splitter 4K
Keyboard: lighted Ivation that works with KVM Switch
Mouse: Logitech wireless
Hard Drives: Alot
Internet Speed: Fast
Browser: Google Chrome
Antivirus: WD and common sense
Other Info: All my Computers are Dell, yes I know you pay for name but each one I've owned has lasted 10 years or more with NO problems. I also had a XPS 8500 which I gave to a couple (Older) down the street.