You already did a great job, here are my recommendations for the drivers section :
About "Drivers" :
- if you are not using Miracast (you are able to remove those 2 components)
- if you are a game player, keep this :
- "Drivers - Game - Gameport"
- if you integrated your ethernet drivers directly in the iso, then remove these 2 components
- "Drivers - Network - Ethernet - Intel"
- "Drivers - Network - Ethernet - JMicron"
- "Drivers - Network - Ethernet - Microsoft"
- "Drivers - Network - Ethernet - NVIDIA"
- "Drivers - Network - Ethernet - Realtek"
- "Drivers - Network - Ethernet - Virtual"
Eventually, keep only the one for your motherboard (look at your manual or tell me the reference)

You do not need to keep all processors drivers except if you want to use your iso with different cpu manufacturers : for exapmle if you have an Intel cpu, so you may remove :
- "Drivers - Processor - AMD"
- "Drivers - Processor - VIA"
For "Storage" drivers, just keep the only one which is mentioned in your manual, for example I'm removing all drivers except this one :
"Drivers - Storage - Intel" (I'm using an intel H97 chipset)
In the "Drivers - Support" list, you may remove these components :
- "Support - Bluetooth" : if you do not use bluetooth
- "Support - Boot - EFI and UEFI" : if you do not use uefi boot to install your system
- "Support - Boot - PCAT" : remove it
- "Support - Boot - PXE" : remove it
- "Support - Firewire (IEEE1394)" : an old usb replacement connection, i don't think you need it
- "Support - HD-Audio" : keep this for your audio card
- "Support - ISA" : just keep it if you have an iso port in your motherboard
- "Support - IEEE 1667" : remove it
- "Support - iSCSI" : remove it
- "Support - Modem" : remove it if you are using an adsl or fiber internet connection
- "Support - Modem (Drivers)" : remove it
- "Support - NVM Express" : remove it if you are not using the new ssd with nvme (only on the recent ssd)
- "Support - PC Card" : remove it if you do not have a laptop with a pc-card connector
- "Support - Pcmcia" : remove it if you do not have a laptop with a pcmcia connector
- "Support - Ram Disk" : remove it if you do not want to create ramdisk from within windows
- "Support - SCSI" : remove it if your hdd or ssd are using sata connector
- "Support - Secure Digital Card" : remove it if you do not have a laptop, or a printer, with a SD-Card connector
- "Support - SmartCard" : remove it
- "Support - Tape Drive" : remove it
- "USB Attached SCSI (USAP)" : remove it if you do not have usb 3.0 connectors in your motherboard
- "USB Audio" : remove it if you are not using an external usb audio card
- "USB Infared CIR" : remove it if you are not using infrared
- "USB Hub (EHCI, UHCI, OHCI)" : do not remove it, otherwise you will loose your usb 2.0 peripherals (like your mouse)
- "USB Hub (xHCI)" : remove it if you do not have usb 3.0 connectors in your motherboard
- "USB Role Switch (Chipidea Controller)" : remove it
- "USB Role Switch (Synopsys Controller)" : remove it
- "USB Serial Device" : remove it if you are not using old serial connection for your peripherals
- "USB Video" : remove it if you are not using webcams
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About "Fonts" :
If you do not have software which require specific fonts, you are able to remove almost all fonts, for my wccf I only keep those fonts :
- "Static Cache for Windows Fonts"
- "Consolas"
- "Marlett"
- "Meiryo"
- "MS Gothic"
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About "Multimedia" :
" Multimedia - Miracast" : remove it if you are not using it
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About "Network" :
If you do not have specific network connection or need a remote connection, you may remove almost all components.
If you are not using internet explorer or edge and you use firefox or chrome (for example) with an antivirus, you could remove "Smart Screen"
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About "Features" and "Services" :
As I will finish testing all components, I will not tell you to remove something more
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About "Optimizations" :
- "Optimizations - EXPERT - WinSXS Folder Cleanup (boot.wim)" : Activate this to reduce your ISO size
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These are my first ideas for you ... but as usual proceed steps by steps to be sure you are not missing a component for your needs ...
